17 October 2014
One of the fascinating things about comets is their blackness - akin to a lump of coal or the briquettes you put on the BBQ.
A black and white image of lions resting on a rock outcrop in the Serengeti has won the 2014 Wildlife Photographer of the Year award.
Scientists have turned a laser into a reversible "tractor beam" that can repel or attract objects.
The EU's decision to ban the use of some pesticides could threaten UK crops, increase food prices and hit farmers' profits, a report claims.
A paralysed man becomes the first in the world to walk again following a pioneering therapy which involved transplanting cells from his nose into his severed spinal cord.
16 October 2014
Nigeria, unlike other Ebola-stricken countries, is succeeding in wiping out the disease through rigorous monitoring, the BBC's David Shukman reports.
Prof Brian Cox investigates the mysterious signal received in 1977
Tiny species found a decade ago in Indonesia caused big rethink
A fascination of comets is their blackness
Why we don't know how many people Ebola has killed
How you and the world have changed since your birth
David Attenborough's new series on the journey through life
Did climate change propel us to the stars?
How the first human to walk in space nearly didn't return to Earth
How far away is a treatment and vaccine?
Hi-res surveillance system causes US controversy
How the US changed the language of science
Can a team of ponies munch a meadow back to life?
Bionic hands restore sense of touch in two patients
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