The latest stories from the Science & Environment section of the BBC News web site.
Updated: 16 min 5 sec ago
MPs call for urgent government action to determine how many primates are being kept as pets across the UK.
The world's smallest pacemaker is fitted inside the heart of a patient for the first time in England.
A computer program called Eugene Goostman, which simulates a 13-year-old Ukrainian boy, is said to have passed the Turing test at an event organised by the University of Reading.
Humans developed "beefy" facial features as protection during fist fights, according to scientists.
Doctors are being told not to routinely prescribe aspirin for a common heart condition that increases a person's risk of stroke.
How a Ganges festival could hold clue to drug resistance
The lost whaling station at the end of the world
A woman is left "quite shocked" when an eagle flies into her living room while she is watching the French Open tennis championship.
The faces of our male ancestors evolved certain features as a defence against fist fights, according to an argument put forward by US researchers.
Australian police are examining human remains recovered from a crocodile to see if they match the DNA of a missing man.
Rats experience regret when their poor decisions make them miss out on better food options, a study finds.
The US Geological Survey has released the first video footage ever ''filmed'' by a polar bear - in the Beaufort Sea, near Alaska.
Conservationists celebrate as barn owls successfully hatch twice as many chicks on a Cambridgeshire farm as they did the previous year.
Rising sea levels have disturbed the skeletons of soldiers killed on the Marshall Islands during World War Two.
The element that's crucial to life - and explosives
Negotiators and campaigners have reacted angrily to the failure of many environment ministers to attend UN talks in Bonn.
How innovations helped make the D-Day landings possible
RSPB Scotland says "outrageous rumours" have been spread accusing it of accidentally killing birds of prey.
Blind cave-dwelling fish found in Somalia are able to recognise differences in quantities, say scientists.
A new analysis suggests measures to protect wildlife on farms have been so diluted they may be counter-productive.