BBC News | Science & Environment | World Edition

Pink iguana rewrites family tree A type of iguana missed by Darwin during his Galapagos trip promises to rewrite the animal's history in the islands.

Holes give edge to new MoD armour Scientists from the UK Ministry of Defence (MoD) have devised ultra-hard vehicle armour to protect military personnel.

Getting into space by broomstick The proposed space elevator project could be powered by a simple new approach, demonstrated using a broomstick.

Mars rovers roll on to five years The US space agency's Mars rovers celebrate a longer-than-expected five years investigating the Red Planet.

Scientists dismiss 'detox myth' Products that claim to help the body "detox" are often based on meaningless claims, scientists warn.

Playing golf can 'damage hearing' A new generation of hi-tech clubs means golfers may be risking their hearing for their sport, according to research.

Fence hope for Tasmanian Devils Scientists want to build a fence on Tasmania to prevent the spread of a cancer that could wipe out the Tasmanian Devil.

Nano device 'times drug release' Researchers say they can harness the power of gold nanoparticles to devise a better way of delivering drugs to patients.

Parrot fashion - student learns about zoo keeping Learning what it takes to become a zoo keeper

Why good green food isn't just for Christmas Why good green food isn't just for Christmas

Ozone protection feels the heat Ozone and the lesser of the environmental evils

Vision chips Mobile phone chips prepare for a generational shift

Leading light The Islamic genius working 700 years before Newton

Mammoth clues Did space impacts wipe out the woolly beasts?

Stolen species BBC joins police raid on Brazil's wildlife traffickers

Earth Watch 2009: year of climate, gorillas, Darwin and whaling

Topping out World's newest tall building set to reveal secrets

Cancer cells 'cheat suicide call' Cancer cells are able to escape death by reversing a process which triggers suicide in normal cells, scientists have shown.

Nanotech could sharpen snaps Research into creating tiny structures on light sensors could mean digital cameras take better pictures.

'Bug' could combat dengue fever Humans could be protected from dengue fever by infecting the mosquitoes carrying it with a parasite, say researchers.

Science blow for Scots in 2008 BBC Scotland education correspondent Seonag Mackinnon looks back at the major issues of 2008.

Grim details of Columbia disaster The space shuttle crew tried valiantly to regain control of their doomed orbiter, says a Nasa report into the 2003 disaster.

Coral reef growth is slowest ever Growth of corals in the Great Barrier Reef has slowed to the most sluggish rate in 400 years, researchers say.

Escaped beaver fells river trees A beaver that has been felling trees after escaping from a farm is being hunted by conservationists.

China finds major dinosaur site Chinese researchers have unearthed what they believe is the largest collection of dinosaur bones ever found.

Plants 'more important than ever' The role of plants has never been so vital, says the head of Kew Gardens, as the site turns 250 years old.

Inside Shackleton's polar refuge Stepping back in time inside Shackleton's hut