Latest from Focus...
Q&A
19/12/2014
18/12/2014
Randall Munroe answers some absurd questions; Danielle George reveals what’s in store for this year’s Royal Institution Christmas Lectures; Jim Al-Khalili explores the strange world of quantum biology
Q&A
16/12/2014
15/12/2014
15/12/2014
The rules over where and how you can fly a drone are about to get stricter after it was revealed that an unidentified drone flew dangerously close to an aeroplane at Heathrow last summer.
11/12/2014
In this month’s Focus: the big ideas that will save our planet, the scientific truth about diets, how to beat the New Year sales, the 50 essential apps for 2015, and nature's 10 strangest phenomena.
Q&A
10/12/2014
Gallery
10 everyday objects
Poll

The rules over where and how you can fly a drone are about to get stricter after it was revealed that an unidentified drone flew dangerously close to an aeroplane at Heathrow last summer.

Should laws concerning flying drones become stricter? Should laws concerning flying drones become stricter?

The rules over where and how you can fly a drone are about to get stricter after it was revealed that an unidentified drone flew dangerously close to an aeroplane at Heathrow last summer.

Q&A

All plants can sense the direction of the gravitational field and orientate themselves accordingly. This is called geotaxis. In mature plants, phototaxis (growing towards the light source)...

Head hair doesn’t change colour all at once, but many men have grey hair when their eyebrows are still dark. All kinds of body hairs change colour when ageing hair follicles stop producing...

No, but their older counterparts, Cathode Ray Tube (CRT) monitors, do give off a small amount of radiation. The streams of electrons hitting the phosphor in the screen produce X-rays, but these...

Water is made up of two elements, hydrogen and oxygen. Hydrogen is flammable, but oxygen is not. Flammability is the ability of a combustible material with an adequate supply of oxygen (or another...

Information remains on your hard drive when you send it to the recycle bin, and sits there until the computer starts running out of space and overwrites it. In fact, the data stays even when you...

If you mean the sort of metal detectors you see people combing the beach with, then it’s inductive technology. The circular ‘foot’ at the base of the detector contains two...

A human nose has about five million olfactory receptor cells in it. In a dog’s nose, these cells are packed together with 10 times the density, and a large dog breed has a nasal cavity that...

Humans looked essentially the same as they do today 10,000 years ago, with minor differences in height and build
due to differences in diet and lifestyle. But in the next 10 millennia, we...

We use cookies to improve your experience of our website. Cookies perform functions like recognising you each time you visit and delivering advertising messages that are relevant to you. Read more here