Talent for prejudice: Why humans dehumanise others
It isn't only warlords and dictators who treat others as if they are less than human. How can we tame the tendency to demean that lurks inside us all?
Snooze-button glitch delayed Rosetta's wake-up
The comet-chasing Rosetta spacecraft phoned home late because, like many a tired soul, it hit the snooze button instead of waking fully first time around
When does multiverse speculation cross into fantasy?
In Our Mathematical Universe Max Tegmark tries hard to make the seemingly outlandish theories of multiverses sound almost obvious and unavoidable
Made in China: Up to a quarter of California smog
The US has outsourced many of its production lines to China and, in return, global winds are exporting the Chinese factories' pollution right back to the US
The architecture of density: Life in a megacity
Densely populated Hong Kong has the most skyscrapers of any city in the world. Photojournalist Michael Wolf shows them in a different light
Politics is key to saving Africa's forest elephants
Violent unrest in the Central African Republic is the latest blow to efforts to save the region's forest elephants, says biologist Andrea Turkalo
Days of apocalypse: Civilisation-crushing disasters
Volcanoes, massive meteors, climate change: human society is no match for the worst that nature can throw at us – or what we can do to ourselves
Up and at 'em: Rosetta craft gaining on target comet
After a mysterious half-hour delay, the Rosetta spacecraft has phoned home that it is alive and well – and has started chasing comet Churyumov-Gerasimenko
Bendy implant harnesses the power of your beating heart
Cows, pigs and sheep have been fitted with a silicone implant that generates small amounts of energy from the body's natural rhythms – enough to power a pacemaker
Water found in stardust suggests life is universal
Pockets of water have been detected in dust from our solar system – suggesting that life's ingredients may be spread across the universe
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