NEWS:  02:00 17 November 2012

Charting new words in tweets shows they originate in cities with large African American populations before spreading to areas with similar demographics

12:18 16 November 2012

Some South American katydids seem to have evolved super-sensitive ears on their legs which may help them tell potential mates from foes

19:00 15 November 2012

The quintessential Stone Age hunting spear – with a stone tip – was used by an ancestor of humans and Neanderthals

EDITORIAL:  13:12 15 November 2012

A bold move by two US states to legalise cannabis may mark the beginning of the end of a counterproductive war on drugs

FEATURE:  13:09 15 November 2012

Might the same forces have driven the evolution of our best and worst natures, asks Kate Douglas

THIS WEEK:  18:00 14 November 2012

The new laws in Colorado and Washington should provide a testing ground for health effects and for how people behave when drug laws are relaxed

15:19 14 November 2012

Illacme plenipes almost merits the name "millipede", with its 750 legs – and it can squeeze silk out of the hairs on its back

IN BRIEF:  22:00 13 November 2012

A quick sniff of oxytocin causes men who have a female partner to put more space between themselves and other women

THIS WEEK:  16:53 13 November 2012

People can calculate simple mathematical equations unconsciously, adding weight to the idea that such reasoning isn't an exclusively human trait

INTERVIEW:  08:00 13 November 2012

The idea that curvaceous figurines are prehistoric pornography is an excuse to legitimise modern behaviour as having ancient roots, says archaeologist April Nowell

20:00 12 November 2012

Our ancestors began eating grass half a million years earlier than thought, soon after they started leaving the trees for the savannah

17:15 12 November 2012

Eight threatened animal species, including jaguars and maned wolves, are the target of a cloning project in South America