Science & Health
Cellular therapy: This man got rid of spondylitis after 11 years of suffering, but does it really work?
NASA's Cassini just photographed Pandora: Here are 5 things you need to know about Saturn's little moon
On 31 December an extra second will be added before midnight, senior research scientist Peter Whibberley explains. Since the 1960s we have used atomic clocks to keep track of time, as they are more accurate than the old method of using the Earth, as the Earth randomly speeds up and slow down. But to make sure that the atomic clock is in line, an extra second is needed every so often to ensure many of modern societies functions like the internet and mobile phones can work.
Dec 22, 2016
- Former U.S. Navy Seal who killed Osama bin Laden talks career philosophy on book tour
- What is Cambridge Analytica? Election data firm used by Trump harvested data on 50 million Facebook users
- Who is Yi Gang? US-trained economist appointed as head of Chinas central bank
- CCTV footage appears to show ballot stuffing during Russian election
- Volcanic thunder recorded for the first time ever and it sounds epic
- Man with fused jaw couldn't eat solid food for 38 years
- Watch: Gorilla walks like a human to keep hands clean
- NASA's Dawn mission finds Ceres geologically active, more than previously thought
- NASA releases new image of Crab Nebula by Chandra, Spitzer and Hubble