HumansEarliest use of anaesthetics uncovered in Chinese doctor’s tomb Residues on medical equipment reveal that physicians in China over 600 years ago used aconitine, a highly toxic plant chemical, to alleviate pain during surgical procedures ¿ìè¶ÌÊÓÆµ
ChemistryA revolution in how we do chemistry: Best ideas of the century From finding new antibiotic candidates to studying the insides of cells, snapping molecules together "like Lego" has completely overhauled chemistry, and biology too Features