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Clues to how birds began to fly

For the first time, researchers have measured what is known as the ground effect of flying animals -- and it turns out that they save a lot more energy by flying close to the ground than previously believed. The study from Lund University in Sweden supports one of the theories on how birds began to...

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New fly species found in Indiana may indicate changing climate

A new type of blow fly spotted in Indiana points to shifting species populations due to climate change. Researchers at IUPUI have observed the first evidence of Lucilia cuprina in Indiana, an insect previously known to populate southern states from Virginia to California.

Researchers recorded the L. cuprina species more than two dozen times from 2015...

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Working lands play a key role in protecting biodiversity

With a body the size of a fist and wings that span more than a foot, the big brown bat must gorge on 6,000 to 8,000 bugs a night to maintain its stature. This mighty appetite can be a boon to farmers battling crop-eating pests.

But few types of bats live on American farms. That's because...

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South American marsupials discovered to reach new heights

In the Andean forests along the border of Chile and Argentina, there have long been speculations that the mouse-sized marsupial monito del monte (Dromiciops gliroides) climbs to lofty heights in the trees. Yet, due to the lack of knowledge about the region's biodiversity in the forest canopies, no previous records exist documenting such arboreal habits...

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Engineered enzyme eliminates nicotine addiction in preclinical tests

Scientists at Scripps Research have successfully tested a potential new smoking-cessation treatment in rodents.

In a study published online in Science Advances on Oct. 17, 2018, the scientists gave nicotine-dependent rats an engineered enzyme that breaks down nicotine in the bloodstream before it can reach the brain. Treatment quickly reduced the animals' motivation to take nicotine,...

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