Geoengineering: 'Plan B' for the planet

Dismissed a decade ago as far-fetched and dangerous, schemes to tame global warming by engineering the climate have migrated from the margins of policy debates towards centre stage.

Common insecticide may not harm bumble bees

Investigators have found no effect of an insecticide called thiamethoxam on bumble bees that forage on flowering winter oilseed rape. Using realistic field conditions, the researchers treated seeds of oilseed rape with the ...

Dam good research on invasive beavers in Patagonia

For three years, Duke student Alejandro Pietrek has bravely grappled with some unusual marauders of the forests and steppes of Patagonia: invasive beavers. A biology graduate student, Pietrek recently presented his dissertation ...

Honeybees show tipping points

Parasites, lack of food, cold snaps, pesticides, and poor management all can stress honeybee colonies, making it difficult to pin their collapse on a single source. However, in controlled field tests, honeybee colonies show ...

The importance of (experimental) design

One of the hottest debates in evolutionary biology concerns the origin of behaviour: is it genetically encoded or do animals and birds copy their parents or other individuals? A classic experiment published in 2000 seemed ...

Mass extinction may not cause all organisms to 'shrink'

The sizes of organisms following mass extinction events may vary more than previously thought, which may be inconsistent with the predictions of the so-called 'Lilliput effect,' according to a study published in PLOS ONE ...