Evolutionary biologist Armand Leroi argues that Aristotle laid the foundations of modern science. Plus, the Ebola outbreak; Rosetta's rendezvous with a comet; and taking aspirin to prevent cancer
The Earth is entering a new epoch shaped by human activity. Gaia Vince embarked on an epic journey to discover the fate of the planet, and what ordinary folk are doing to preserve it
20 Dec 2013: Suzi Gage: Headlines claiming aspirin can treat intermittent explosive disorder are going beyond the evidence available, and might even put people at risk
Originally published in the Guardian on 28 January 1988 Twenty-five years ago, a study claimed that heart problems could be avoided by taking tablets designed for mild pain relief
Science writer Philip Ball discusses Curiosity, his history of science from Newton and Galileo via magic and religious persecution to the Large Hadron Collider
21 Mar 2012: Editorial: evidence of the medical use of willow bark dates back at least 4,000 years, to a stone tablet found in the city of Ur in present day Iraq
We look back at Apple's tech products, including game-changers such as the iMac and iPhone, curiosities like Lisa – and duds, like the 20th Anniversary Macintosh