The BBC brings you all the week's science news.
A very early snake fossil shows they probably evolved from burrowing lizards
Specialised cells in the brain can tell you how fast you are going
How global warming is affecting Arctic tundra and how it could be adding to the problem.
Ebola returns to Liberia almost two months after being declared free of the virus
Who really should be in control of driverless cars?
Matching DNA from poached ivory and elephant poo helps target poaching hotspots in Africa
Middle East Respiratory Syndrome could have come from camels
Recalculation of the data dismisses the reported 'global warming hiatus'
How well is India doing on the world science stage?
A quadriplegic man moves a robotic arm by thinking about beer
Effect of seasons on our genes may explain why some illnesses are aggravated in winter
Seismologists report on the unusual shaking during the Nepalese earthquake
How science can help the rescue efforts after the Nepal earthquake
Bees attracted to pesticides, Moore's Law 50 years on; Dog evolution
How has the Hubble Space Telescope enhanced our understanding of the universe?
Why computers forget, Hypnosis and medicine, Acid oceans, Sargassum seaweed
Drones used for conservation; monitoring forests; looking for orangutans; Ants in Space.
Satellite data reveal the large ice loss from the floating Antarctic Shelves
Scientists have 3D printed a replica of a vintage 1965 Shelby Cobra sports car
We have entered a new geological epoch, the Anthropocene, but when did it start?
A self-cleaning coating for delicate cashmere using solar-power chemistry
The growing conflict between access to fresh water, food production and energy generation
How a changing climate is affecting the spread and behaviour of infectious diseases
New figures for the amount of plastic entering the worlds' oceans
New insights into the complexity of chimpanzee language
Viruses living in the gut may have a role in inflammatory bowel disease
The latest understanding of Comet 67P from Rosetta’s instruments
NASA's New Horizons probe gets set to examine Pluto after a 9 year trip
A new antibiotic that can kill drug-resistant infections has been found