German researchers say babies begin to pick up the nuances of their parents' accents while still in the womb. Full story...
The last remaining population of Siberian tigers has declined significantly, according to a recent survey.
The field of "spintronics" - a future means of computing - is shown to work at room temperature for the first time.
A warning is issued to ships in the southern Pacific after more than 100 iceberg were spotted drifting towards New Zealand.
President Obama is to pledge to cut greenhouse gas emissions in several stages, including 42% by 2030, officials say.
Astronomers have devised a web-based game that could help work out the basis of galactic collisions.
Cutting emissions to mitigate climate change will also make people healthier, according to research.
Ministers back calls to plant millions of trees across the country to help combat climate change.
A gene known to shield the body from harmful chemicals may also protect against bowel cancer, a study suggests.
This year will be in the top five warmest years globally since records began, according to the UK Met Office.
Households which recycle could get up to £130 a year in shopping vouchers under the Tories, says George Osborne.
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