15/09/2011

Australia's city birds carry highest toxic load

Toxic industrial pollutants contaminate bird eggs in Australia's major eastern cities at levels seven to nine times higher than those in inland areas, a new study has found.

Japan plans floating wind farm near nuclear plant

Japan plans to build a floating wind farm near the stricken Fukushima nuclear plant as part of the country's disaster reconstruction effort, a government official said Thursday.

Researchers discover a switch that controls stem cell pluripotency

Scientists have found a control switch that regulates stem cell "pluripotency," the capacity of stem cells to develop into any type of cell in the human body. The discovery reveals that pluripotency is regulated by a single ...

Arctic ground squirrels muscle up to hunker down

When Arctic ground squirrels are getting ready to hibernate they don't just get fat – they pack on muscle at a rate that would make a bodybuilder jealous. And they do it without suffering the harmful effects that high ...

Tree resin captures evolution of feathers on dinosaurs and birds

Secrets from the age of the dinosaurs are usually revealed by fossilized bones, but a University of Alberta research team has turned up a treasure trove of Cretaceous feathers trapped in tree resin. The resin turned to resilient ...

page 5 from 10