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
Gallery
Apollo 11 in pictures
Poll

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...

Have you installed Facebook Messenger on your smartphone? Have you installed Facebook Messenger on your smartphone?

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

Yes, global quarantine would work in theory, but if just one person evaded it, the disease would be free to spread again.

No. They have always been very aggressive, particularly when defending nesting sites. What they are becoming is more numerous. In the wild, herring gulls might only raise one chick to maturity for...

A 'cast-iron stomach' is probably the norm, and it is better to ask why so many people don't have cast-iron stomachs, and suffer indigestion after eating or drinking. Sometimes the answer lies in...

Our most conspicuous encounters with lasers these days are with laser pointer pens. The first ones were red but these days other colours like green are available...

Yes. Instead of the haemoglobin used by vertebrates, molluscs and some crustaceans use a greenish-blue, copper-based pigment called haemocyanin to carry the oxygen in their blood. There’s...

To prevent them being eaten – or more specifically, to prevent the water stored inside the fleshy cactus pads they grow on being stolen. The spines are modified leaves surrounded by...

We are literally alive with electromagnetic fields, most obviously those generated by our nervous system. As such, we’re all potentially susceptible to magnetic fields, which create electric...

I doubt it, although particle physicists would love to find a cheaper way to investigate what goes on inside the atom. It's all a matter of the energy needed to separate the components of the atom...