Earth Break electricity addiction to win the power struggle Electricity suppliers are struggling to supply cheap, clean and reliable power - managing our contstant demand will help Opinion
Life First predator fish crushed armoured prey in its jaws Fish like us? Meet Megamastax , the oldest known fish that was a top predator. This hunting fish prowled the oceans 423 million years ago, 25 million years before our fishy ancestors wriggled onto the land. The discovery adds weight to the idea that animals like us, with backbones and jaws, first evolved in southern … News
Life Compassion in conservation: Don't be cruel to be kind Killing and harming animals in the name of conservation is not just unethical, it is counterproductive Opinion
Technology Harvey, the robot farmer fixing the US labour shortage It's getting harder to find people to work on farms in the US – robo-farmers are shifting plants and could soon be picking strawberries in their place News
Earth Tumbling weeds: The rolling invasion of the US (Image: Diane Cook and Len Jenshel/cookjenshel.com) THIS is what an alien invasion looks like. Giant balls of tumbleweed are causing problems across the western US, where prolonged drought and high winds have led to a boom in their numbers. The most common tumbleweed, Kali tragus , isn't native to the US – it is an … Regulars
Earth Energy trilemma: Can power be cheap, clean and secure? When it comes to electricity supply, we're caught in a vicious triangle. A bold scheme that pays big business to switch off could be part of the solution Features
Physics Logical armour: A primer in mathematical self-defence Decisions about armouring US war planes were easy to get wrong (Image: Photoquest/Getty Images) Can you spot a fake health crisis? Are politicians bamboozling you with numbers? Mathematics can open your eyes, says Jordan Ellenberg in How Not to Be Wrong IN 2008, about 66 per cent of the US population was overweight. Even more … CultureLab
Feedback: Dolls of destiny Feedback is our weekly column of bizarre stories, implausible advertising claims, confusing instructions and more Dolls of destiny BARBIE dolls: does playing with them discourage a future in research? Feedback suggested that it's more a matter of how you play, given a report of doll mummification (5 April) . Support for this thesis is provided … Regulars