The Reading / Listening - Dog Years - Level 6

For decades, dog lovers have been incorrectly calculating the age of their pet pooches. People have traditionally worked out their dog's age in "human years" by multiplying by seven. However, researchers at the University of California San Diego School of Medicine in the USA have come up with a new formula. They say it more precisely determines canine age. Their new method requires a little more than simple mental arithmetic to work out a dog's age. It involves a comparison of the genomes of dogs and humans. Scientists had to analyse how DNA changes as humans and dogs age. The scientists regard such DNA analysis as the best way to measure the ageing speed of mammals.



The researchers analysed blood samples from 105 Labrador retrievers. After a bit of number crunching, they created a graph to show the different rates at which canines and humans age. They said a one-year-old dog is similar to a 30-year-old human, while a four-year-old hound is comparable to a 52-year-old person. Researcher Trey Ideker said by the time a dog reaches seven years old, its ageing slows. He said: "This makes sense. When you think about it, a nine-month-old dog can have puppies, so we already knew that the 1:7 ratio wasn't an accurate measure of age." The researchers said their new formula doesn't fully address the fact that different breeds of dog age at different speeds.

Try the same news story at these easier levels:

    Dog Years - Level 4  or  Dog Years - Level 5

Sources
  • https://www.thesun.co.uk/tech/12011713/dog-age-in-human-years-formula/
  • https://metro.co.uk/2020/07/03/dog-days-scientists-work-accurate-way-find-fidos-age-12938804/
  • https://edition.cnn.com/2020/07/03/us/new-study-updates-dog-years-to-human-years-formula-trnd-scn/index.html


Make sure you try all of the online activities for this reading and listening - There are dictations, multiple choice, drag and drop activities, crosswords, hangman, flash cards, matching activities and a whole lot more. Please enjoy :-)



Warm-ups

1. DOG YEARS: Students walk around the class and talk to other students about dog years. Change partners often and share your findings.
2. CHAT: In pairs / groups, talk about these topics or words from the article. What will the article say about them? What can you say about these words and your life?
       decades / calculating / pet / age / formula / arithmetic / comparison / mammals /
       researchers / blood samples / human / ageing / puppies / measure / dog breeds
Have a chat about the topics you liked. Change topics and partners frequently.
3. DOGS: Students A strongly believe dogs are the best pets; Students B strongly believe the opposite.  Change partners again and talk about your conversations.
4. AGE: What are the best and worst things about these ages? Complete this table with your partner(s). Change partners often and share what you wrote.

 

Best Things

Worst Things

Early years

 

 

Early teens

 

 

Late Teens

 

 

Thirties

 

 

Sixties

 

 

Eighties

 

 

MY e-BOOK
ESL resource book with copiable worksheets and handouts - 1,000 Ideas and Activities for Language Teachers / English teachers
See a sample

5. FORMULA: Spend one minute writing down all of the different words you associate with the word "formula". Share your words with your partner(s) and talk about them. Together, put the words into different categories.
6. PETS: Rank these with your partner. Put the best pets at the top. Change partners often and share your rankings.

  • dogs
  • hamsters
  • goldfish
  • tarantulas
  • rabbits
  • parrots
  • iguana
  • horses

 

Vocabulary

    Paragraph 1

      1. decade a. A period of ten years.
      2. calculating b. Simple maths involving addition, subtraction, multiplication and division.
      3. multiplying c. Finding out the amount of something by using maths.
      4. formula d. Exactly (used to emphasize the complete accuracy or truth of a statement).
      5. precisely e. Obtaining from a number another that contains the first number a specified number of times.
      6. arithmetic f. A mathematical relationship or rule.
      7. mammal g. A warm-blooded animal with a backbone, hair or fur, milk for the young, and the birth of live young.

    Paragraph 2

      8. number crunching h. A reasonable or easy-to-understand reason.
      9. graph i. Of a person or thing able to be likened to another; similar.
      10. canine j. Performing lots of different calculations.
      11. comparable k. Think about and begin to deal with an issue or problem.
      12. sense l. A diagram that shows the relation between different, changing things.
      13. address m. A sort or kind of dog or thing.
      14. breed n. Relating to or resembling a dog or dogs.

 

Before reading / listening

1. TRUE / FALSE: Read the headline. Guess if 1-8 below are true (T) or false (F).

  1. The article said we have miscalculated dogs' ages for centuries.     T / F
  2. The way of finding a dog's age in human years is to divide by seven.     T / F
  3. A new way of finding a dog's age involves comparisons of DNA.     T / F
  4. Scientists say analysing DNA is the best way to age marsupials.     T / F
  5. Researchers analysed blood samples of 105 different breeds of dog.     T / F
  6. Researchers said a one-year-old dog has a human age of 30.     T / F
  7. A researcher says the rate of dogs' ageing slows down from seven.  T / F
  8. Different breeds of dogs age at different rates.     T / F

2. SYNONYM MATCH: Match the following synonyms from the article.

  1. lovers
  2. worked out
  3. come up with
  4. simple
  5. analyse
  6. samples
  7. graph
  8. comparable
  9. accurate
  10. formula
  1. recipe
  2. basic
  3. specimens
  4. calculated
  5. precise
  6. equivalent
  7. enthusiasts
  8. examine
  9. chart
  10. devised

3. PHRASE MATCH: (Sometimes more than one choice is possible.)

  1. dog
  2. worked out their dog's age in "human years"
  3. They say it more precisely
  4. simple mental
  5. measure the ageing
  6. The researchers analysed blood
  7. After a bit of number
  8. a four-year-old hound is comparable
  9. the 1:7
  10. different breeds
  1. arithmetic
  2. of dog
  3. speed of mammals
  4. crunching
  5. ratio
  6. by multiplying by seven
  7. samples
  8. determines canine age
  9. to a 52-year-old person
  10. lovers

Gap fill

Put these words into the spaces in the paragraph below.
formula
genomes
precisely
mammals
traditionally
analysis
calculating
arithmetic

For decades, dog lovers have been incorrectly (1) _____________________ the age of their pet pooches. People have (2) _____________________ worked out their dog's age in "human years" by multiplying by seven. However, researchers at the University of California San Diego School of Medicine in the USA have come up with a new (3) _____________________. They say it more (4) _____________________ determines canine age. Their new method requires a little more than simple mental (5) _____________________ to work out a dog's age. It involves a comparison of the (6) _____________________ of dogs and humans. Scientists had to analyse how DNA changes as humans and dogs age. The scientists regard such DNA (7) _____________________ as the best way to measure the ageing speed of (8) _____________________.

Put these words into the spaces in the paragraph below.
measure
canines
address
slows
samples
puppies
crunching
comparable

The researchers analysed blood (9) _____________________ from 105 Labrador retrievers. After a bit of number (10) _____________________, they created a graph to show the different rates at which (11) _____________________ and humans age. They said a one-year-old dog is similar to a 30-year-old human, while a four-year-old hound is (12) _____________________ to a 52-year-old person. Researcher Trey Ideker said by the time a dog reaches seven years old, its ageing (13) _____________________. He said: "This makes sense. When you think about it, a nine-month-old dog can have (14) _____________________, so we already knew that the 1:7 ratio wasn't an accurate (15) _____________________ of age." The researchers said their new formula doesn't fully (16) _____________________ the fact that different breeds of dog age at different speeds.

Listening — Guess the answers. Listen to check.

1)  For decades, dog lovers have been incorrectly calculating the age of ______
     a.  their pet pooches
     b.  their pet broaches
     c.  their pet poachers
     d.  their pet poaches
2)  traditionally worked out their dog's age in "human years" by ______
     a.  multiplying at seven
     b.  multiplying by seven
     c.  multiplying bye seven
     d.  multiplying buy seven
3)  School of Medicine in the USA have come up with ______
     a.  a newly formula
     b.  a new formula
     c.  a news formula
     d.  anew formula
4)  Their new method requires a little more than ______
     a.  simple mentally arithmetic
     b.  simples mental arithmetic
     c.  simple men tall arithmetic
     d.  simple mental arithmetic
5)  scientists regard such DNA analysis as the best way to measure the ageing ______
     a.  speed off mammal
     b.  speed of mammalian
     c.  speed off mammals
     d.  speed of mammals

6)  After a bit of number crunching, they created a graph to show ______
     a.  the difference rates
     b.  the different rates
     c.  the differential rates
     d.  the differently rates
7)  a one-year-old dog is similar to a 30-year-old human, while a four-year-old ______
     a.  bound is compare able
     b.  hounds is compare a ball
     c.  found is con parable
     d.  hound is comparable
8)  Researcher Trey Ideker said by the time a dog reaches seven years old, ______
     a.  its age in slows
     b.  its ageing shows
     c.  its age in shows
     d.  its ageing slows
9) a nine-month-old dog can have puppies, so we already knew that ______
     a.  the 1:7 ratios
     b.  then 1:7 ratio
     c.  the 127 ratio
     d.  the 1:7 ratio
10)  The researchers said their new formula doesn't fully ______
     a.  addresses the fact
     b.  addressed the fact
     c.  address the fact
     d.  add dress the fact

Listening — Listen and fill in the gaps

For (1) ____________________ have been incorrectly calculating the age of their pet pooches. People have traditionally worked out their dog's age in "human years" (2) ____________________ seven. However, researchers at the University of California San Diego School of Medicine in the USA have come up with (3) ____________________. They say it more precisely determines canine age. Their new method requires a little more than simple (4) ____________________ work out a dog's age. It involves a comparison of (5) ____________________ dogs and humans. Scientists had to analyse how DNA changes as humans and dogs age. The scientists regard such DNA analysis as the best way to (6) ____________________ speed of mammals.

The researchers (7) ____________________ from 105 Labrador retrievers. After a bit of number crunching, they (8) ____________________ to show the different rates at which canines and humans age. They said a one-year-old dog is similar to a 30-year-old human, while a four-year-old (9) ____________________ to a 52-year-old person. Researcher Trey Ideker said by the time a dog reaches seven years old, its ageing slows. He said: "(10) ____________________. When you think about it, a nine-month-old dog can have puppies, so we already knew that (11) ____________________ wasn't an accurate measure of age." The researchers said their new formula doesn't fully address the fact that (12) ____________________ dog age at different speeds.

Comprehension questions

  1. Who did the article say had been incorrectly calculating dogs' ages.
  2. What number did people traditionally use to find a dog's age?
  3. What does a new formula to find a dog's age require more than?
  4. What does a new method compare between dogs and humans?
  5. What animals does DNA analysis best measure the ageing speed of?
  6. How many dogs did researchers test blood samples of?
  7. What kind of crunching did the researchers do?
  8. What human age did researchers compare a four-year-old dog to?
  9. What did researchers say wasn't an accurate measure of age?
  10. What did researchers say age at different rates?




Multiple choice quiz

1)  Who did the article say had been incorrectly calculating dogs' ages.
a) pet shop owners
b) dog lovers
c) vets
d) historians
2)  What number did people traditionally use to find a dog's age?
a) nine
b) six
c) eight
d) seven
3) What does a new formula to find a dog's age require more than?
a) simple mental arithmetic
b) a calculator
c) a smartphone
d) numbers
4) What does a new method compare between dogs and humans?
a) IQ
b) hairs
c) genomes
d) skin condition
5) What animals does DNA analysis best measure the ageing speed of?
a) marsupials
b) mammals
c) molluscs
d) moths

6) How many dogs did researchers test blood samples of?
a) 105
b) 106
c) 107
d) 108
7) What kind of crunching did the researchers do?
a) gravel crunching
b) crispy crunching
c) number crunching
d) data crunching
8) What human age did researchers compare a four-year-old dog to?
a) 52
b) 7
c) 30
d) 4
9) What did researchers say wasn't an accurate measure of age?
a) the 1:7 ratio
b) a calculator
c) IQ
d) simple mental arithmetic

10) What did researchers say age at different rates?
a) cats and dogs
b) small dogs and big dogs
c) people
d) different breeds of dogs

Role play

Role  A – Dogs
You think dogs are the best pets. Tell the others three reasons why. Tell them what is wrong with their pets. Also, tell the others which is the worst of these (and why): goldfish, parrots or horses.

Role  B – Goldfish
You think goldfish are the best pets. Tell the others three reasons why. Tell them what is wrong with their pets. Also, tell the others which is the worst of these (and why): dogs, parrots or horses.

Role  C – Parrots
You think parrots are the best pets. Tell the others three reasons why. Tell them what is wrong with their pets. Also, tell the others which is the worst of these (and why): goldfish, dogs or horses.

Role  D – Horses
You think horses are the best pets. Tell the others three reasons why. Tell them what is wrong with their pets. Also, tell the others which is the worst of these (and why): goldfish, parrots or dogs.

After reading / listening

1. WORD SEARCH: Look in your dictionary / computer to find collocates, other meanings, information, synonyms … for the words...

'dog'

  • ________________
  • ________________
  • ________________
  • ________________
  • ________________
  • ________________
  • ________________
  • ________________
  • and 'year'.

  • ________________
  • ________________
  • ________________
  • ________________
  • ________________
  • ________________
  • ________________
  • ________________
  • • Share your findings with your partners.

    • Make questions using the words you found.

    • Ask your partner / group your questions.

    2. ARTICLE QUESTIONS: Look back at the article and write down some questions you would like to ask the class about the text.

    •Share your questions with other classmates / groups. •Ask your partner / group your questions.

    3. GAP FILL: In pairs / groups, compare your answers to this exercise. Check your answers. Talk about the words from the activity. Were they new, interesting, worth learning…?

    4. VOCABULARY: Circle any words you do not understand. In groups, pool unknown words and use dictionaries to find their meanings.

    5. TEST EACH OTHER: Look at the words below. With your partner, try to recall how they were used in the text:

    • decades
    • however
    • more
    • method
    • involves
    • best
    • blood
    • 30
    • reaches
    • sense
    • ratio
    • fact




    Student survey

    Write five GOOD questions about this topic in the table. Do this in pairs. Each student must write the questions on his / her own paper. When you have finished, interview other students. Write down their answers.

    (Please look at page 12 of the PDF to see a photocopiable example of this activity.)

    Discussion - Dog Years

    STUDENT A’s QUESTIONS (Do not show these to student B)

    1. What did you think when you read the headline?
    2. What images are in your mind when you hear the word 'dog'?
    3. How happy are you with your age?
    4. What do you think of dogs?
    5. How good are dogs as pets?
    6. What is the best age to be?
    7. In what ways can dogs help humans?
    8. How good are you at simple arithmetic?
    9. How do you feel about getting older?
    10. How much of a dog lover are you?

    STUDENT B’s QUESTIONS (Do not show these to student A)

    1. Did you like reading this article? Why/not?
    2. What do you think of when you hear the word 'age'?
    3. What do you think about what you read?
    4. What breeds of dog do you like best?
    5. How much do you like number crunching?
    6. Why is it important to know how quickly dogs age?
    7. What were you doing when you were seven years old?
    8. Do humans age at different rates?
    9. What are the downsides of ageing?
    10. What questions would you like to ask the scientists?

    Discussion — Write your own questions

    STUDENT A’s QUESTIONS (Do not show these to student B)

    (a) ________________

    (b) ________________

    (c) ________________

    (d) ________________

    (e) ________________

    STUDENT B’s QUESTIONS (Do not show these to student A)

    (f) ________________

    (g) ________________

    (h) ________________

    (i) ________________

    (j) ________________





    Language — Cloze (Gap-fill)

    For decades, dog (1) ____ have been incorrectly calculating the age of their pet pooches. People have traditionally worked out their dog's age (2) ____ "human years" by multiplying by seven. However, researchers at the University of California San Diego School of Medicine in the USA have come (3) ____ with a new formula. They say it more precisely determines canine age. Their new method requires a little more than simple (4) ____ arithmetic to work out a dog's age. It involves a comparison of the (5) ____ of dogs and humans. Scientists had to analyse how DNA changes as humans and dogs age. The scientists regard such DNA analysis as the best way to measure the (6) ____ speed of mammals.

    The researchers analysed blood samples from 105 Labrador retrievers. After a (7) ____ of number crunching, they created a graph to show the different rates at which canines and humans age. They said a one-year-old dog is similar (8) ____ a 30-year-old human, while a four-year-old hound is (9) ____ to a 52-year-old person. Researcher Trey Ideker said by the time a dog reaches seven years old, its ageing slows. He said: "This (10) ____ sense. When you think about it, a nine-month-old dog can have puppies, so we already knew that the 1:7 (11) ____ wasn't an accurate measure of age." The researchers said their new formula doesn't fully address the fact that different (12) ____ of dog age at different speeds.

    Which of these words go in the above text?

    1. (a)     loves     (b)     lovelies     (c)     love-ins     (d)     lovers    
    2. (a)     by     (b)     of     (c)     at     (d)     in    
    3. (a)     down     (b)     up     (c)     on     (d)     in    
    4. (a)     physical     (b)     spiritual     (c)     mental     (d)     cosmic    
    5. (a)     gnomes     (b)     gnus     (c)     genomes     (d)     gnostic    
    6. (a)     ageing     (b)     ageless     (c)     aged     (d)     agelong    
    7. (a)     bite     (b)     bit     (c)     byte     (d)     bitt    
    8. (a)     to     (b)     of     (c)     as     (d)     on    
    9. (a)     compare     (b)     comparable     (c)     comparison     (d)     comparability    
    10. (a)     wakes     (b)     takes     (c)     makes     (d)     fakes    
    11. (a)     rational     (b)     rationale     (c)     ratio     (d)     ration    
    12. (a)     beads     (b)     beets     (c)     bleeds     (d)     breeds

    Spelling

    Paragraph 1

    1. by myliplingut by seven
    2. it more lryespeic determines canine age
    3. simple mental ritemichat
    4. It involves a isanmpocro of the genomes
    5. DNA nilaysas
    6. measure the ageing speed of lmmmsaa

    Paragraph 2

    1. The researchers analysed blood spsalem
    2. After a bit of number nncihugcr
    3. a four-year-old hondu
    4. merlapcoba to a 52-year-old person
    5. the 1:7 ratio wasn't an caucrtea measure
    6. different rebdse of dog age at different speeds

    Put the text back together

    (...)  formula. They say it more precisely determines canine age. Their new method requires a little more than simple mental
    1  ) For decades, dog lovers have been incorrectly calculating the age of their pet pooches. People have traditionally worked
    (...)  sense. When you think about it, a nine-month-old dog can have puppies, so we already knew that the 1:7
    (...)  The researchers analysed blood samples from 105 Labrador retrievers. After a bit of number
    (...)  out their dog's age in "human years" by multiplying by seven. However, researchers at
    (...)  of dogs and humans. Scientists had to analyse how DNA changes as humans and dogs
    (...)  ratio wasn't an accurate measure of age." The researchers said their new formula doesn't fully
    (...)  age. The scientists regard such DNA analysis as the best way to measure the ageing speed of mammals.
    (...)  address the fact that different breeds of dog age at different speeds.
    (...)  crunching, they created a graph to show the different rates at which canines and humans age. They said a one-
    (...)  year-old dog is similar to a 30-year-old human, while a four-year-old hound is comparable to a 52-year-old
    (...)  arithmetic to work out a dog's age. It involves a comparison of the genomes
    (...)  the University of California San Diego School of Medicine in the USA have come up with a new
    (...)  person. Researcher Trey Ideker said by the time a dog reaches seven years old, its ageing slows. He said: "This makes

    Put the words in the right order

    1. age   the   pet   of   their   pooches   .   Incorrectly   calculating
    2. age   .   out   their   traditionally   dog's   People   worked   have
    3. precisely   canine   They   it   more   age   .   determines   say
    4. how   Scientists   changes   .   DNA   to   analyse   had
    5. measure   The   best   way   to   the   speed   .   ageing
    6. analysed   from   samples   Labradors  .  The   105   blood   researchers
    7. to   graph   Created   a   different   rates   .   the   show
    8. an   ratio   The   wasn't   1:7   accurate   measure   .
    9. new   address   the   fully   doesn't   Their   formula   fact   .
    10. of   Different   age   dog   breeds   at   different   speeds   .

    Circle the correct word (20 pairs)

    For decades / decadence, dog lovers have been incorrectly calculating the age of their pet pooches. People have tradition / traditionally worked out their dog's age in "human years" at / by multiplying by seven. However, researchers at the University of California San Diego School of Medicine in the USA have come up / down with a new formula. They say it more precisely / precision determines canine age. Their new method requires a little more than simple physical / mental arithmetic to work out a dog's age. It involves a comparison of the genomes / gnomes of dogs and humans. Scientists had to analyse that / how DNA changes as humans and dogs age. The scientists regard / regarding such DNA analysis as the best way to measure the ageing speed of marsupials / mammals.

    The researchers analysed blood stamps / samples from 105 Labrador retrievers. After a bit of number crushing / crunching, they created a graph to show the different / difference rates at which canines and humans old / age. They said a one-year-old dog is similarity / similar to a 30-year-old human, while a four-year-old hound is comparable to a 52-year-old person. Researcher Trey Ideker said by the time a dog wretches / reaches seven years old, its ageing slows. He said: "This makes nonsense / sense. When you think about it, a nine-month-old dog can have purpose / puppies, so we already knew that the 1:7 ration / ratio wasn't an accurate measure of age." The researchers said their new formula doesn't fully location / address the fact that different breeds of dog age at different speeds.

    Talk about the connection between each pair of words in italics, and why the correct word is correct.

    Insert the vowels (a, e, i, o, u)

    F_r d_c_d_s , d_g l_v_r s h_v_ b__ n _n c_r r_c t l y c_l c_l_t_n g t h_ _g_ _f t h__ r p_t p__ c h_s . P__ p l_ h_v_ t r_d_t__ n_l l y w_r k_d __ t t h__ r d_g ' s _g_ _n " h_m_n y__ r s " b y m_l t_p l y_n g b y s_v_n . H_w_v_r , r_s__ r c h_r s _t t h_ U n_v_r s_t y _f C_l_f_r n__ S_n D__ g_ S c h__ l _f M_d_c_n_ _n t h_ U S A h_v_ c_m_ _p w_t h _ n_w f_r m_l_. T h_y s_y _t m_r_ p r_c_s_l y d_t_r m_n_s c_n_n_ _g_. T h__ r n_w m_t h_d r_q__ r_s _ l_t t l_ m_r_ t h_n s_m p l_ m_n t_l _r_t h m_t_c t_ w_r k __ t _ d_g ' s _g_. I t _n v_l v_s _ c_m p_r_s_n _f t h_ g_n_m_s _f d_g s _n d h_m_n s . S c__ n t_s t s h_d t_ _n_l y s_ h_w D N A c h_n g_s _s h_m_n s _n d d_g s _g_. T h_ s c__ n t_s t s r_g_r d s_c h D N A _n_l y s_s _s t h_ b_s t w_y t_ m__ s_r_ t h_ _g__ n g s p__ d _f m_m m_l s .

    T h_ r_s__ r c h_r s _n_l y s_d b l__ d s_m p l_s f r_m 1 0 5 L_b r_d_r r_t r__ v_r s . A f t_r _ b_t _f n_m b_r c r_n c h_n g , t h_y c r__ t_d _ g r_p h t_ s h_w t h_ d_f f_r_n t r_t_s _t w h_c h c_n_n_s _n d h_m_n s _g_. T h_y s__ d _ _n_- y__ r -_l d d_g _s s_m_l_r t_ _ 3 0 - y__ r -_l d h_m_n , w h_l_ _ f__ r - y__ r -_l d h__ n d _s c_m p_r_b l_ t_ _ 5 2 - y__ r -_l d p_r s_n . R_s__ r c h_r T r_y I d_k_r s__ d b y t h_ t_m_ _ d_g r__ c h_s s_v_n y__ r s _l d , _t s _g__ n g s l_w s . H_ s__ d : " T h_s m_k_s s_n s_. W h_n y__ t h_n k _b__ t _t , _ n_n_- m_n t h -_l d d_g c_n h_v_ p_p p__ s , s_ w_ _l r__ d y k n_w t h_t t h_ 1 : 7 r_t__ w_s n ' t _n _c c_r_t_ m__ s_r_ _f _g_. " T h_ r_s__ r c h_r s s__ d t h__ r n_w f_r m_l_ d__ s n ' t f_l l y _d d r_s s t h_ f_c t t h_t d_f f_r_n t b r__ d s _f d_g _g_ _t d_f f_r_n t s p__ d s .

    Punctuate the text and add capitals

    for decades dog lovers have been incorrectly calculating the age of their pet pooches people have traditionally worked out their dogs age in human years by multiplying by seven however researchers at the university of california san diego school of medicine in the usa have come up with a new formula they say it more precisely determines canine age their new method requires a little more than simple mental arithmetic to work out a dogs age it involves a comparison of the genomes of dogs and humans scientists had to analyse how dna changes as humans and dogs age the scientists regard such dna analysis as the best way to measure the ageing speed of mammals

    the researchers analysed blood samples from 105 labrador retrievers after a bit of number crunching they created a graph to show the different rates at which canines and humans age they said a oneyearold dog is similar to a 30yearold human while a fouryearold hound is comparable to a 52yearold person researcher trey ideker said by the time a dog reaches seven years old its ageing slows he said this makes sense when you think about it a ninemonthold dog can have puppies so we already knew that the 17 ratio wasnt an accurate measure of age the researchers said their new formula doesnt fully address the fact that different breeds of dog age at different speeds

    Put a slash (/) where the spaces are

    Fordecades,doglovershavebeenincorrectlycalculatingtheageoftheir
    petpooches.Peoplehavetraditionallyworkedouttheirdog'sagein"hu
    manyears"bymultiplyingbyseven.However,researchersattheUniver
    sityofCaliforniaSanDiegoSchoolofMedicineintheUSAhavecomeupwit
    hanewformula.Theysayitmorepreciselydeterminescanineage.Their
    newmethodrequiresalittlemorethansimplementalarithmetictowork
    outadog'sage.Itinvolvesacomparisonofthegenomesofdogsandhum
    ans.ScientistshadtoanalysehowDNAchangesashumansanddogsage
    .ThescientistsregardsuchDNAanalysisasthebestwaytomeasurethea
    geingspeedofmammals.Theresearchersanalysedbloodsamplesfrom
    105Labradorretrievers.Afterabitofnumbercrunching,theycreatedag
    raphtoshowthedifferentratesatwhichcaninesandhumansage.Theys
    aidaone-year-olddogissimilartoa30-year-oldhuman,whileafour-ye
    ar-oldhoundiscomparabletoa52-year-oldperson.ResearcherTrey
    Idekersaidbythetimeadogreachessevenyearsold,itsageingslows.He
    said:"Thismakessense.Whenyouthinkaboutit,anine-month-olddogc
    anhavepuppies,sowealreadyknewthatthe1:7ratiowasn'tanaccurate
    measureofage."Theresearcherssaidtheirnewformuladoesn'tfullyad
    dressthefactthatdifferentbreedsofdogageatdifferentspeeds.

    Free writing

    Write about dog-years for 10 minutes. Comment on your partner’s paper.

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    Academic writing

    Dogs are the best pets. Discuss.

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    Homework

    1. VOCABULARY EXTENSION: Choose several of the words from the text. Use a dictionary or Google's search field (or another search engine) to build up more associations / collocations of each word.
    2. INTERNET: Search the Internet and find out more about this news story. Share what you discover with your partner(s) in the next lesson.
    3. DOG YEARS: Make a poster about dog years. Show your work to your classmates in the next lesson. Did you all have similar things?
    4. PETS: Write a magazine article about everyone needing a pet. Include imaginary interviews with people who are for and against this.
    Read what you wrote to your classmates in the next lesson. Write down any new words and expressions you hear from your partner(s).
    5. WHAT HAPPENED NEXT? Write a newspaper article about the next stage in this news story. Read what you wrote to your classmates in the next lesson. Give each other feedback on your articles.
    6. LETTER: Write a letter to an expert on dogs. Ask him/her three questions about them. Give him/her three of your ideas on dogs as pets. Read your letter to your partner(s) in your next lesson. Your partner(s) will answer your questions.

    Answers

    (Please look at page 26 of the PDF to see a photocopiable example of this activity.)

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