Paragraph 1
The term "rat race" may
mean real rats racing in cars. Scientists have taught rats to drive
cars in a laboratory. A
has worked with rats since 2019. She told a news
that the
learned to rev the engines of their small
and seemed to "get a
out of it". She said the rats had an "
motivation" for driving. She added they often jumped into the car, revved the
, and then "hit the
".
