Twin satellites are due to go into orbit around the Moon this weekend with the intention of mapping its gravity.
Created 31/12/11
Staff say money to feed the hundreds of animals there is running out.
Created 31/12/11
A venomous cone snail engulfs its prey before spearing it with a harpoon-like barb and paralysing it, footage shows.
Created 31/12/11
Two Nobel laureates involved in creating graphine, a flat sheet of carbon just one atom thick, are among the scientists recognised in the New Year Honours.
Created 31/12/11
Has the 'one species' human evolution idea been put to bed?
Created 30/12/11
Nasa's Grail satellites prepare to go into orbit around the Moon to map its gravity in unprecedented detail, revealing its internal structure.
Created 30/12/11
This year was the second warmest on record for the UK, according to data from the Met Office says.
Created 30/12/11
A model helps chart the history of how human-started fires shaped Africa's landscape, say researchers.
Created 30/12/11
A wild panda has been caught on camera gnawing at the bones of a dead gnu, a type of wild cow, in China's Sichuan Province.
Created 30/12/11
Most of us know that Australia's Great Barrier Reef is one of the natural wonders of the world, but did you know it is home to sharks that walk on land and deadly snails that hunt fish?
Created 30/12/11
How to get a giggle out of a gorilla, rat and owl - among others
Created 30/12/11
Keeper Phil Ridges describes how Emmie the gorilla responds when tickled.
Created 30/12/11
Wild chimpanzees consider "who they are talking to" before they call out, according to scientists.
Created 29/12/11
Amateur video of what is believed to be a killer whale attacking a group of sharks in the surf has been shown on New Zealand television.
Created 29/12/11
Conservationists at a Milwaukee zoo have introduced orangutans to iPads, and hope one day they could even be able to make video calls.
Created 29/12/11
More elephant tusks were seized in 2011 than in any year since 1989, when the ivory trade was banned, international wildlife trade group Traffic says.
Created 29/12/11
A rogue wave has damaged an anti-whaling vessel in the Southern Ocean, as it followed the Japanese whaling fleet.
Created 29/12/11
The weird and wonderful creatures found off Scotland's coastline over the past year
Created 29/12/11
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a = x [true for some a's and x's]
a+a = a+x [add a to both sides]
2a = a+x [a+a = 2a]
2a-2x = a+x-2x [subtract 2x from both sides]
2(a-x) = a+x-2x [2a-2x = 2(a-x)]
2(a-x) = a-x [x-2x...
Created 06/11/07