The latest stories from the Science & Environment section of the BBC News web site.
Updated: 26 sec ago
Campaigners say it is time the regulations on pigswill were relaxed to counter food waste and limit the unnecessary imports of grain.
The "most waterproof material ever made" - inspired by nasturtium leaves - could be used for anoraks, wind turbines and aircraft engines, say researchers.
A lack of practical lessons in schools in England means many teenagers are struggling with science, inspectors from the watchdog Ofsted warn.
A rock discovered in the Sahara Desert is the oldest Martian meteorite ever found, a study suggests.
Scientists have developed a non-invasive test that can predict whether men with zero sperm counts are capable of fathering children through IVF.
Putting an economic value on nature could be the best way to protect it, says business leaders and environmentalists meeting at an Edinburgh forum.
The fungus that is decimating amphibians worldwide has claimed one species of Darwin's frog and may soon claim the other, scientists say.
Safer condoms will be one of the first products developed at the University of Manchester's new National Graphene Institute.
UK company awaits a decision on its application to carry out the first European field trial of a genetically modified insect.
The genome of a boy who died in central Siberia 24,000 years ago sheds light on the origins of Native Americans.
Another dramatic day at UN climate negotiations in Warsaw
Frederick Sanger, the British biochemist who twice won the Nobel Prize, has died at the age of 95.
Plans for a 1km (3,280ft) inflatable solar chimney are outlined by a leading balloon specialist.
Indonesia's Mount Sinabung erupted several times on Tuesday night and Wednesday morning, forcing more residents to evacuate.
UK-built space station camera to video Earth
Researcher Martha Koukidou from Oxitec explains how to rear GM fruit flies in preparation for the first European field trial of the insects.
The Commons Environmental Audit Committee condemns "short-sighted" plans to scrap a green energy code for house builders.
The man who can 'taste' every London Tube station
The man who found a way to fix his own heart
More than 200 million people around the world are at risk of exposure to toxic waste globally a study has found.