Biology

Avian influenza: How it’s spreading and what to know about this outbreak

When it comes to avian influenza, more commonly known as bird flu, all birds are not created equal. “The scientific community has become accustomed to …

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Biology

Mind the gap: Space inside eggs steers first few steps of life

Imagine sitting at a meeting where the shape of the table and your place at it might impact how you get along with the other …

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Biology

Large bodies helped extinct marine reptiles with long necks swim, new study finds

Scientists at the University of Bristol have discovered that body size is more important than body shape in determining the energy economy of swimming for …

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Amazon

Dynamic rivers contributed to Amazon’s rich bird diversity

One of the most contentious questions in evolutionary biology is, how did the Amazon become so rich in species? A new study focused on birds …

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Biology

Popular male dolphins produce more offspring

The reproductive success of male dolphins is not determined by strength or age, but via social bonds with other males. The better integrated males are …

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animal

In animal battles, cheaters can win

Two knights stand face to face. One has a plain average-sized sword. The other has a massive fear-inducing sword stained with blood. After one quick …

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animals

Cellular receptors identified for eastern equine encephalitis

A new study led by researchers at Harvard Medical School has identified a set of cellular receptors for at least three related alphaviruses shared across …

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Biology

California mice eat monarch butterflies

Monarch butterflies possess a potent chemical armor. As caterpillars, they eat plants filled with toxic cardenolides that build up in their bodies and make them …

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bacteria

Bird feces reveals that when birds migrate, their gut bacteria change

The trillions of bacteria living in our guts play a crucial role in our ability to digest food and fight off disease. All other animals …

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Biology

The physics behind a tardigrade’s lumbering gait

Plump and ponderous, tardigrades earned the nickname “water bears” when scientists first observed the 0.02-inch-long animals’ distinctive lumbering gaits in the 18th century. Their dumpy …

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