Evidence that the synthetic dye Red No. 3 is harmful comes from studies in rats, not people. Food companies now have two years to remove it from products.

Celtic women’s social and political standing in Iron Age England has received a genetic lift.

The current way to produce antivenoms is antiquated. Experiments in mice suggest that an artificial intelligence approach could save time and money.

Toxins on poison dart frog skin mold the skin's microbial community, boosting species variety and potentially even feeding some daredevil bacteria.