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Biology news

Two-step path to shrinking worker bee gonads

The dramatic difference in gonad size between honey bee queens and their female workers in response to their distinct diets requires the switching on of a specific genetic program, according to a new study publishing March ...

dateMar 21, 2019 in Ecology
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Sustainable fisheries and conservation policy

There are roughly five times as many recreational fishers as commercial fishers throughout the world. And yet, the needs and peculiarities of these 220 million recreational fishers have largely been ignored in international ...

dateMar 21, 2019 in Ecology
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Toxin-spewing bacteria decoded

Scientists at Emory University School of Medicine have identified a central regulator of toxin production in the bacterium C. difficile, the most common cause of healthcare-associated infections in the United States. C. difficile ...

3-D models reveal why bigger bumblebees see better

By generating 3-D images of bumblebees' compound eyes, researchers at Lund University in Sweden have discovered how bumblebees differ in their vision. The results could contribute to increased knowledge about the pollination ...

Speaking up for invisible raptors

Birds of prey such as owls, eagles, falcons and vultures are soaring and elegant predators. But many raptors worldwide have flown under the scientific radar and are all but invisible: Ten species of raptors, out of 557 total, ...

Salamanders chew with their palate

The Italian Crested Newt – Triturus carnifex – eats anything and everything it can overpower. Earthworms, mosquito larvae and water fleas are on its menu, but also snails, small fish and even its own offspring. A research ...

Cannibalism helps fire ants invade new territory

Tropical fire ants (Solenopsis geminata), originally from central and South America, are a highly aggressive, invasive ecological pest. Our new research has shed light on how they successfully establish new colonies.

Rare albino penguin makes debut at Polish zoo

A rare three-month-old albino penguin made its first public appearance at a zoo in the Polish Baltic port city of Gdansk, where its keepers claim it is the only one of its kind in captivity.

Multi-drug resistant UTIs—is the answer in our food?

Urinary tract infections (UTIs) are among the world's most common bacterial infections, affecting around 50 per cent of women and five per cent of men. They can present as low-level cystitis or cause debilitating and potentially ...

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