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The latest stories from the Science & Environment section of the BBC News web site.

Last updated on  October 1st, 2014

Moon's hidden valley system revealed: Click here
Scientists identify a huge rectangular feature on the Moon that is probably the buried remains of an ancient rift valley system.

Farmers to protest milk price cuts: Click here
Following the announcement of fresh price cuts, dairy farmers say they will take direct action within the next four days.

Sites vie for European Mars landing: Click here
The European Space Agency produces a list of four possible locations on Mars where it could send a rover in 2018.

Record haul-out for Pacific walrus: Click here
Tens of thousands of Pacific walrus have been photographed moving ashore in northwest Alaska.

Chimp culture captured on camera: Click here
Researchers capture the social spread of a new type of tool use in a wild population of chimps for the first time.

US and India sign space agreement: Click here
The space agencies of India and the US sign an agreement on future co-operation at Mars and at Earth.

Protest halts Nasa spaceflight plans: Click here
Nasa is facing a delay to work on two new commercial spacecraft after a formal protest about the contract award process.

Panama opens biodiversity museum: Click here
Panama inaugurates a museum designed by world-renowned architect Frank Gehry to celebrate one of the world's richest eco-systems.

New images from Flight MH370 hunt: Click here
The team looking for missing flight MH370 releases detailed images of the seabed for the first time, revealing extinct volcanoes and deep depressions.

World wildlife populations 'plummet': Click here
The global loss of species is even worse than previously thought, with wildlife populations halving in just 40 years, a report says.

Complex molecule discovered in space: Click here
The discovery of a branched carbon molecule 27,000 light-years from Earth suggests the building blocks of life may be ubiquitous throughout the galaxy.

Date fixed for comet landing attempt: Click here
Europe's daring attempt to put a small robot on the surface of Comet 67P will take place on Wednesday 12 November.

Mars rover bites mountain's base: Click here
Nasa's Curiosity rover on Mars drills its first full hole since May - into a mudstone at the base of Mount Sharp in Gale Crater.

Obama expands Pacific marine reserve: Click here
US President Barack Obama expands a marine reserve in the Pacific, creating the largest network of oceanic protected areas in the world.

African fish nourish Amazon: Click here
The Amazon rainforest is being fertilised by the remains of ancient fish blown in by great duststorms from Africa.

'Turtle smuggling' Canadian arrested: Click here
A Canadian man is charged with wildlife smuggling after guards at the US border found 51 turtles in his trousers, authorities have said

First Russian woman in ISS mission: Click here
Russia has sent a woman into space for the first time in 17 years as part of a joint US-Russian mission to the International Space Station (ISS).

Water seen on Neptune-sized planet: Click here
A cloud-free atmosphere reveals signs of water vapour on HAT-P-11b, the smallest planet beyond our Solar System ever to yield such an insight.

Indian Mars probe sends first images: Click here
India's space agency releases its first pictures of Mars as its satellite begins work a day after entering orbit around the Red Planet.

Novel antibiotic class created: Click here
Scientists have designed a new class of antibiotic which seeks and destroys resistance genes in bacteria.

Cosmic study 'underestimated' dust: Click here
Scientists who claimed to have found evidence for a cosmic super-expansion just after the Big Bang underestimated a key confounding factor in their research, according to a new analysis.

Molten metal batteries for the grid: Click here
Engineers have invented a battery made of three liquefied metals, which they say is efficient and cheap enough to store power on the electric grid.

'Artificial eye' to detect particles: Click here
The human eye has inspired physicists to create a processor that can analyse particle collisions 400 times faster than currently possible.

Slippery banana study wins Ig Nobel: Click here
Research that investigated why bananas are slippery when you step on them wins one of this year's Ig Nobel prizes.

Threatened birds of prey 'vanish': Click here
Two of the rarest birds of prey in England, which had been satellite tagged, vanish in unexplained circumstances.

Brazil releases 'good' mosquitoes: Click here
Brazilian researchers release thousands of mosquitoes infected with a bacteria that suppresses dengue fever into the environment in Rio de Janeiro.

Melt ponds forecast ice retreat: Click here
A UK technique for projecting the extent of summer sea ice in the Arctic demonstrates its skill by accurately calling this year's melt events.

Liberia in 'trees for cash' deal: Click here
Liberia is to become the first nation in Africa to completely stop cutting down its trees in return for development aid.

Hyenas feast at vulture restaurants: Click here
"Restaurants" of dead meat set up for endangered vultures also attract an undesirable clientele of hyenas and jackals, according to a six-year study.

Farming 'vital for global growth': Click here
Scientific agricultural advances can help "climate-proof" farming systems around the globe, especially in developing nations, a conference will hear.

Murder 'comes naturally' to chimps: Click here
A major international study finds that killings among chimpanzees result from normal competition, not human interference.

Inky prints show state of hedgehogs: Click here
Hedgehogs are more thinly spread in the UK than previously believed, a study using ink pads to record their paw prints reveals.

Ancient China fish 'nearly extinct': Click here
The Chinese sturgeon, thought to have existed for more than 140 million years, is now on the brink of extinction, say local media.

VIDEO: Japan volcano : Death toll reaches 48: Click here
12 more bodies have been recovered by rescue workers from from Mount Ontake, bringing to 48 the number of those killed by Saturday's volcanic eruption.

VIDEO: Zookeeper rears leopard in bathroom: Click here
A rare clouded leopard has been hand-reared in the bathroom of a zookeeper after she was rejected by her mother.

VIDEO: Chimp culture captured on camera: Click here
Researchers have captured the social spread of a new type of tool use in a wild population of chimps for the first time.

VIDEO: Bomb-makers tracked via sewers: Click here
New technology allows security services to analyse the contents of the sewers to discover where people are making home-made bombs.

VIDEO: Cern at 60 in 60 seconds: Click here
The European Organisation for Nuclear Research (Cern) is celebrating its 60th birthday. Here is a quick look at its life so far - in 60 seconds.

VIDEO: Work to lift flood-prone road begins: Click here
Work is beginning to raise part of one of the main roads in the Somerset levels to protect it from future flooding.

VIDEO: Pony meat plan proves controversial: Click here
A charity has developed a range of meat products made from the iconic Dartmoor Pony, in what it says is a bid to save the species.

VIDEO: Japan volcano rescue effort resumes: Click here
Rescue teams in Japan have resumed their search for survivors of a volcanic eruption on Saturday.

Sewer sensors to sniff out bombs: Click here
Sewer sensors to sniff out bombs

Is your brain male or female?: Click here
Are male and female brains that different?

EU review of eco-laws raises concern: Click here
New EU team to review Europe's green policies

An electronic revolution in the doctor's bag: Click here
How new medical tools change our relationship with doctors

How keep-fit gyms gripped Victorians: Click here
Exercising in coat tails and corsets

Bloodhound Diary: The ultimate 'kit car': Click here
The complexities of assembling the ultimate kit

Ebola drains weak health systems: Click here
Ebola pushes West Africa's weak health systems over the edge

Weather report: Forecasts improving: Click here
Are weather forecasts really becoming more accurate?

It's outer space, but with filling stations: Click here
How space rocks could become private cosmic filling stations

Why India's Mars mission is so cheap - and thrilling: Click here
How did India get to Mars so cheaply?

Climate summit advances towards Paris deal: Click here
Sun shines on climate summit as majority of leaders pledge action

Mangalyaan: India's race for space success: Click here
Will India's Mars mission reach the orbit?

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