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The latest stories from the Science & Environment section of the BBC News web site.
Updated: 15 min 47 sec ago

TV white space could be a lifesaver

Wed, 08/27/2014 - 18:21
Could unused TV signal improve rural broadband?

VIDEO: Litter bug mountaineers 'must recycle'

Wed, 08/27/2014 - 16:01
Over the decades tonnes of disposed tents, spent oxygen cylinders and bottles have been left behind on Mount Everest by people trying to scale it. Now authorities are urging them to bring the waste back down with them to recycle it.

Row over polish to detect 'rape drug'

Wed, 08/27/2014 - 16:00
Rape-prevention tool draws online backlash from anti-rape advocates

Memories 'flipped' from bad to good

Wed, 08/27/2014 - 12:09
Neuroscientists artificially turn a mouse's fearful memory into a positive one, and vice versa.

Woman finds 3ft wasp nest on bed

Wed, 08/27/2014 - 06:44
A pest controller takes on the "biggest job of his career" when he is called to deal with a nest of more than 5,000 wasps.

Star Trek X Prize finalists named

Wed, 08/27/2014 - 06:31
Ten groups have been chosen as finalists in a $10m (£6m) competition to develop a real-life "tricorder" - the medical scanner used in Star Trek.

VIDEO: Taps run dry amid California drought

Wed, 08/27/2014 - 06:14
California has been hit by its worst drought in a century and many say the problem is only going to get worse.

VIDEO: Buddleia: Gardener's friend or foe?

Wed, 08/27/2014 - 05:02
BBC Newsnight's Stephen Smith visits Dover to assess how much of a threat buddleia is to native species

Concerns grow over Iceland volcano

Wed, 08/27/2014 - 01:47
Overnight earthquakes raise fears that magma from Iceland's Bardarbunga volcano could be heading towards another large volcanic system, scientists say.

Sniffing out the allergy epidemic

Tue, 08/26/2014 - 19:49
Why so many of us are developing allergies

VIDEO: How sheepdogs control unruly flocks

Tue, 08/26/2014 - 18:06
A farmer explains his relationship with his sheepdog, after researchers help unravel the mystery of how the animals do their job.

A sheepdog's 'two rules' for success

Tue, 08/26/2014 - 17:33
Scientists produce a simple mathematical model that explains how a single sheepdog can herd a large number of sheep.

Global coal 'binge' missed in data

Tue, 08/26/2014 - 11:23
The climate impacts of the world's fossil-fuelled power plants are being underestimated because of poor accounting, say researchers.

Badger cull targets are announced

Tue, 08/26/2014 - 10:52
A target number of badgers to be killed in this year's pilot cull to tackle tuberculosis in cattle is announced.

Galileo: We know where you are

Tue, 08/26/2014 - 04:10
What pinpointing positions on the planet could mean for you

VIDEO: Rare duck needs new home

Tue, 08/26/2014 - 00:59
The world's rarest bird is facing extinction unless it finds a new home, say conservationists

VIDEO: Aurora Australis filmed from space

Tue, 08/26/2014 - 00:32
The European Space Agency releases time-lapse footage of the Aurora Australis, or southern lights, filmed from the International Space Station.

UK air pollution fuels official concern

Mon, 08/25/2014 - 18:25
Measuring and tackling an invisible killer

Magnetic levitation in 3D advances

Mon, 08/25/2014 - 16:51
Harvard researchers develop a system to orientate small objects in any direction using magnetic levitation.

World's rarest bird needs new home

Mon, 08/25/2014 - 16:34
The last remaining population of the world's rarest bird, the Madagascar pochard, needs a new wetland home if it is to thrive again, a study reveals.