Related topics: species · genes · plants · animals · brain

Controlling carbs and fat: Learning from the fruit fly

Incretins are hormones secreted by intestinal cells that regulate pancreatic insulin and glucagon to control sugar metabolism in mammals. Although counterparts of insulin and glucagon have been identified in invertebrates, ...

Impact of natural selection on nectar supply and demand

New research by the Laboratory of Apiculture and Social Insects (LASI) at the University of Sussex shows that natural selection will cause flowers to produce less nectar when pollinators are abundant, and vice versa.

Pesticide threat to bees likely 'underestimated': study

Exposure to a cocktail of agrochemicals significantly increases bee mortality, according to research Wednesday that said regulators may be underestimating the dangers of pesticides in combination.

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