Latest from Focus...
19/09/2014
18/09/2014
In this month’s Focus: how you'll live in 2054, why stress is good for you, the balloon that'll take you into space, and the latest electric cars reviewed
12/09/2014
Q&A
11/09/2014
Q&A
09/09/2014
08/09/2014
05/09/2014
"Does photosynthesis occur in moonlight?" and "What’s the best way to treat insomnia?" BBC Click Radio presenter Gareth Mitchell answers life's big questions
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Apollo 11 in pictures
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If you have the Facebook app installed on your smartphone then you might have noticed the social network is insisting that you download its dedicated messaging app. Add your vote to our poll to let us know what you think of the new app...

Q&A

Meat contains creatine, an organic acid that helps to supply the energy used by muscle cells. When you cook meat, a chemical reaction turns creatine into a group of compounds called heterocyclic...

Many people use alcohol to help them sleep. During the first part of the night it increases non-REM sleep (including deep sleep) and suppresses REM sleep (when most dreams occur). But as the blood...

Each team entering a big race, such as the Tour de France, has a squad of cyclists known as 'domestiques' who take turns to lead from the front, while the star cyclist stays just behind. The...

No. This is a common myth. There is no evidence that progressive eyesight deterioration is accelerated (or for that matter, decelerated) by wearing corrective lenses. What probably happens is that...

This is a tough one. Some scientists claim that all thinking needs words and grammar, and is really talking to yourself. Others argue for a special ‘language of thought’ that uses...

Launched in 1977, NASA’s two Voyager probes surveyed Jupiter and Saturn, with Voyager 2 also visiting Uranus and Neptune before heading out of the Solar System. Voyager 1 has since become...

Not really - all movement is relative. To have absolute stillness you would need an absolute frame of reference. The (supposedly) fixed stars were once thought of as such a unique reference point...

The aerodynamic design uses air rushing past to exert a strong down force to stick the car to the track, improving its handling. The down force is greater than gravity. So in theory, you could...