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 ...

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 ...

Marine heat waves affecting little penguin population

Research led by The University of Western Australia has found marine heat waves are affecting the breeding, diet and population size of little penguins along Western Australia's coast.

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