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28/08/2014
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...
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26/08/2014
21/08/2014
21/08/2014
In this month’s Focus: the coming age of teleportation, Formula E gets ready to go, the war on smog, and how to swat a fly
Q&A
21/08/2014
Q&A
20/08/2014
19/08/2014
Gallery
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...

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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

It’s a consequence of the fight-or-flight response. Catecholamine hormones, including adrenaline, are released into the bloodstream to prepare the body for physical exertion. Part of this...

Women have bodies that are approximately 55 per cent water, compared with 60 per cent for men, and women also weigh 15 per cent less than men on average. This...

Any modern PC has plenty of available processing power to handle multiple players but the PC architecture isn’t designed to support more than one keyboard or mouse connected at once. Games that...

The horizon isn’t a static property of the Earth, like the equator or the North Pole. It’s an entirely local phenomenon that depends on the shape of the surrounding terrain, the...

A fever is when your body increases its internal thermostat, found in the hypothalamus. If you exercise hard or it’s a hot day, your body temperature might increase, but the thermostat...

Hydration is just a fancy word for absorbing water. Since your digestive tract is a continuous unbroken tube that runs from your mouth to your anus, anything you swallow must either be absorbed or...

At standard temperature and pressure, helium weighs about 0.18g/litre, and air 1.29g/litre. The difference is what a litre of helium should lift: 1.11g. So 1000 litres lifts a little over a...

The process is called columnar jointing. It happens when a layer of molten lava gradually cools by a loss of heat through its surface. Stresses build up in this surface as it shrinks, eventually...