The latest stories from the Science & Environment section of the BBC News web site.
Updated: 5 min 50 sec ago
Animals with big brains such as elephants, horses, killer whales and some primates have close platonic friendships, according to the New Scientist.
Bats and badgers living on the site of a proposed industrial development in Oxfordshire could be rehomed.
Researchers at the University Medical Centre Utrecht are using stem cells in 3D bio-printing.
The use of antibiotics on farms without medical supervision has been condemned at a meeting of the world animal health organisation.
Google has announced that it will start building its own self-driving cars. They will have a stop/go button but no controls, steering wheels or pedals.
A blood test for a preventable form of heart disease, caused by inherited high cholesterol levels, is being rolled out in the UK.
Archaeologists have identified what they say is the earliest dental implant known from Western Europe.
A group of oil workers have escaped a tornado, moments before it struck their camp in North Dakota, in the US.
Scientists welcome news of MH370 data release
A huge area of peatland is discovered in a remote part of Congo-Brazzaville, scientists report.
China will remove six million vehicles that do not meet exhaust emission standards by the end of the year in order to improve air quality.
The people desperate to be cured with someone else's faeces
A shortage of funds for vaccinating dogs is costing the lives of tens of thousands of children every year, say animal health experts.
Scientists develop new tools allowing them to watch structural proteins in action within living cells.
Is the system for reviewing medical research working?
Scientists are soon to test cats, dogs and even rats as they seek to understand the deadly Middle East Respiratory Syndrome.
Could eating margarine increase your chance of divorce?
What breeds are mixed to create a Jaffanorkie?
The real reason children don't listen to their parents
A fox and a hedgehog are captured on a webcam sharing a meal in the garden of a Suffolk wildlife enthusiast.