23rd July - "Easier"
Children who live near woodland in a city have better mental health than children who do not.
21st July - "Harder"
Germany's leader has expressed fears about climate change after the devastation caused by flooding in Europe.
19th July - "Easier"
The U.K. is thinking about putting a tax on food containing salty and sugary snacks.
17th July - "Harder"
Parts of the Amazon rainforest are emitting more carbon dioxide than they are absorbing.
15th July - "Easier"
Gyms and fitness clubs in and around South Korea's capital Seoul have a limit on what music they can play.
13th July - "Harder"
If you have ever imagined a face in an inanimate object, your brain is engaged in a process called pareidolia.
11th July - "Easier"
The city of Dubai in the UAE now has the record for the world's deepest dive pool.
9th July - "Harder"
Climate scientists have warned that many parts of the world will experience more extreme heat.
7th July - "Easier"
The Queen in the United Kingdom has given the country's highest possible award to its National Health Service.