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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...

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

Standard-definition TV lacks the sharpness and resolution of HD, so you wouldn’t expect high-def pictures to look any different on it. But if they are shot on HD the source material is higher...

For most people, a single unit of alcohol takes around two hours to metabolise. For ordinary-strength beer, the legal limit is approximately two pints, so you would need four hours to metabolise...

Carbon capture means stripping the CO2 out of the exhaust gases of power stations and stashing it underground. But the notion of bringing the process to cars is still pretty way out. The obvious...

It’s not, especially. The claimed nutritional qualities of liver, along with those of bread crusts and apple peel have more to do with keeping the shopping bill down than putting hairs on...

Taste is a complicated business. It used to be thought that there were separate receptor cells on different parts of your tongue for each of the five basic tastes: salt, sweet, sour, bitter and...

Nintendo’s Sight Training is a collection of exercises designed to assess and hone your vision. The activities include tracking moving objects, hand-eye coordination and testing your peripheral...

We have Newton’s first law of physics to thank for this. It says that a body stays in its present state of motion until acted on by an external force. So, in the vacuum of space, an...

Freckles are formed when groups of melanocyte cells beneath the skin are triggered by sunlight to increase melanin production. A regulating protein on the cells (called MCR1) is responsible for...