News tagged with food chains

Student unlocks secrets of mercury

More than one billion people around the world depend upon fish for protein in their diet. But the threat of mercury poisoning, especially in children, has raised concerns about the safety of eating fish.

Oct 13, 2011 5 / 5 (3) 1

The arXiv at 20: a global resource

As the e-print arXiv of scientific publications celebrates its 20th anniversary, what started as an effort to "level the playing field" for researchers has created a whole new playing field on which the white ...

Sep 28, 2011 5 / 5 (1) 1

Engineered bacteria mop up mercury spills

Thousands of tonnes of toxic mercury are released into the environment every year. Much of this collects in sediment where it is converted into toxic methyl mercury, and enters the food chain ending up in the fish we eat. ...

Aug 12, 2011 5 / 5 (1) 0

Parasites help reveal new ecological rules

Scientists at UC Santa Barbara and other institutions say their new research is expected to profoundly affect the field of ecology and can assist the management of ecosystems, including forests, lakes, and ...

Jul 21, 2011 4.3 / 5 (4) 3 | with audio podcast