The latest stories from the Science & Environment section of the BBC News web site.
Updated: 3 hours 27 min ago
The "huge dependency" of refugees on wood and charcoal-based fuels has horrific consequences on refugees' health, a report has warned.
This year's El Niño weather event is expected to gain in strength before the end of this year according to the latest research.
Geneticists have detected a fourth ancestral "tribe" which contributed to the modern European gene pool.
The sequence for firing up a supersonic car
A humpback whale is freed by fishermen from a buoy and rope that were attached to lobster pots.
Actor Peter Sarsgaard talks about his challenging new movie Experimenter about the 1961 electric shock experiment that stunned the world.
Human societies will soon start to experience adverse effects from manmade climate change, a prominent economist has warned.
The villagers living next to a burning dump 15m tall
The world's largest crystal structure model - a 3D replica of the repeating ionic lattice found in table salt (NaCl) - is assembled in Vienna's city hall.
The European Commission says it will provide seven million euros (£5m) for research into a disease that poses a "very serious threat" to the continent's olive production.
Ministers are considering whether homeopathy should be put on an NHS blacklist of banned treatments, the BBC learns.
Scientists are using a neutron beam to study what happens when human bones burn - tackling a problem that plagues both archaeology and forensics.
DNA analysis of a child mummy sheds light on the genetic history of the Inca civilisation.
Star City in Moscow continues to function as a space training centre, oblivious to events in the outside world.
Global investment portfolios could be hit hard amid changes in short-term market sentiments, triggered by climate impact concerns.
The UK is "ignoring known risks of flood and erosion at the coast" and immediate action is needed to manage the threats, the National Trust warns.
The people whose land is turning to dust
A ceremony is held to mark the start of construction of one of the key astronomical facilities of the next decade - the Giant Magellan Telescope.
Astronomers hunting distant worlds say they have made one of their most significant discoveries to date - what could be a kind of hot twin to our Venus.
Humans have been exploiting honeybees for almost 9,000 years, according to archaeological evidence.