HumansTombs in China reveal humans were smoking cannabis 2500 years ago Chemical traces on 2500-year-old wooden braziers are the earliest evidence that people had begun growing mutant marijuana strains that could get them stoned ¿ìè¶ÌÊÓÆµ
HealthThe quest for better snakebite treatments gets a funding boost A multimillion-pound programme has been launched to improve treatment for snakebites, which are thought to kill up to 138,000 people each year ¿ìè¶ÌÊÓÆµ