Earth's water piggybacked on asteroids, not comets
Isotopes of hydrogen in meteorites hint that Earth's water did not come from far out in the solar system
Neuron forest grows out of brain trauma experiment
These enlarged, coloured brain cells are being investigated to give scientists a clearer view of the mechanics of brain matter when it is hit hard
Astrophile: Loner galaxy is seed of giant black hole
The antisocial tendencies of galaxy NGC 4178 could help us understand how the largest black holes form
First video captures snow leopard mother with cubs
Watch rare images that provide a glimpse into a snow leopard den
Passing the baton of life - from Schr?dinger to Venter
Nearly 70 years after Erwin Schr?dinger's What is Life lecture at Trinity College Dublin, Craig Venter returns to the spot to tackle the same question
Growth of Earth's core may hint at magnetic reversal
Lopsided growth of the Earth's core could help predict when the planet's geomagnetic field will flip, leaving it exposed to dangerous solar winds
Gel mixture lets you hide a secret message in goo
A way to hide messages in mixtures of gels could also help create artificial spines
Friday Illusion: Coin magic trick reveals brain fail
Watch a tricky coin toss shed light on what we perceive when fixing our gaze
Vaccines team up to generate lethal new chicken virus
Live, attenuated vaccines for a poultry disease in Australia have got together and resurrected the disease they were supposed to prevent
How much can you trust your own memory?
If the brain continually rewrites our past, how accurate are our recollections? Plus the seal with a Facebook account and humanity's history in our genes
Asteroid miners to hitch a ride with Virgin Galactic
Deal between space-flight companies is a sign the nascent industry could soon become self-sustaining
Glasses-free 3D screens let you see the wider picture
3D usually means wearing silly glasses or sitting in one place. New displays mean you could soon watch 3D TV from anywhere in the room
Feedback: Losing your Olympic bottle
Banning baby milk at Olympic events, curious computer energy-saving methods, finding snakes' necks, and more
Careers advice from Nobel prizewinners
Wise words from some of the world's most eminent scientists at what must be the class reunion with the highest collective IQ
Genetic detectives hunt the global amphibian killer
A deadly disease is wiping out frogs and salamanders all over the world - but if we can find its parents, we might be able to beat it. Bob Holmes investigates
Was America first colonised by two cultures at once?
Tools and stools from a cave in Oregon suggest that there were two societies in America 14,000 years ago
FBI forensic review could free thousands of prisoners
As a result of investigations that show flaws in forensic techniques, the FBI is reviewing more than 10,000 criminal convictions
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