Latest from Focus...
25/07/2014
24/07/2014
24/07/2014
In this month’s Focus: how to control your dreams, the comet-chasing spacecraft, animal supersenses, and the search for new antibiotics
23/07/2014
22/07/2014
22/07/2014
"Why do people behave differently in a crowd?" and "How did dinosaurs mate?" BBC Click Radio presenter Gareth Mitchell answers life's big questions
21/07/2014
Gallery
Apollo 11 in pictures
Poll

As Google Glass is banned in UK cinemas, do you think use of the smart headset should be restricted?

Should Google Glass use be restricted? Should Google Glass use be restricted?

As Google Glass is banned in UK cinemas, do you think use of the smart headset should be restricted?

Q&A

Autopilots on modern airliners can fly the whole journey from takeoff to landing. The current problem is that computers are still not sophisticated enough to deal with any emergencies that could...

Cows are herd animals and stick together to reduce the threat from predators. It makes sense for them all to graze in the same direction, so the herd stays together as it drifts around the field...

Evolution is propelled by two forces: random mutations in the genes of living organisms, plus natural selection of organisms whose mutations make them better able to survive long enough to...

Birds pick up oil on their beaks, by rubbing against the uropygial or preen gland near the tail, and then rub it over their feathers. This coating insulates the interlocking barbules in the...

Paper is white because it’s easier and cheaper to bleach it white by destroying any pre-existing pigment molecules than to evenly dye the paper a single colour. Ink is black because this...

Moore’s law describes the trend for the number of transistors that can be placed on an integrated circuit to double roughly every two years. One of the sexy new technologies is optical...

The good news is that low-energy bulbs help to reduce carbon emissions. The downside is that they contain mercury. It's only present in tiny amounts - thousandths of a gram - but it can be...

Intelligence is hard enough to measure in humans, let alone in animals. Dogs can be trained to perform quite complex tasks and show a great deal of loyalty and attachment to their owners, whereas...