News tagged with chemical species

Study warns of mercury in Arctic

Global mercury emissions could grow by 25 percent by 2020 if no action is taken to control them, posing a threat to polar bears, whales and seals and the Arctic communities who hunt those animals for food, ...

May 05, 2011
3.3 / 5 (3) 2

Secret life of bees now a little less secret

Many plants produce toxic chemicals to protect themselves against plant-eating animals, and many flowering plants have evolved flower structures that prevent pollinators such as bees from taking too much pollen. ...

Feb 01, 2011
4.7 / 5 (3) 2 | with audio podcast