The latest stories from the Science & Environment section of the BBC News web site.
SpaceX aborts launch at lift-off
The US firm SpaceX aborts the lift-off of its Falcon rocket and Dragon ship to the International Space Station.
Silicon trick for next-gen memory
Researchers reveal details of a promising way to make a fundamentally different kind of computer memory chip.
Japan urges cuts in power usage
Japan urges businesses and households to cut electricity use by up to 15% to avoid possible blackouts.
Wild spring weather baffles bugs
The wettest April in more than a century has caused problems for many UK butterflies, bees and other bugs, say conservationists.
Contamination at Kinloss probed
RAF Kinloss is the focus of a new probe into radioactive contamination, linked to the use of "glow in the dark" paint on WWII aircraft.