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Ecology May 07, 2021

EXPLAINER: What are cicadas and why do they bug some people?

Cicadas, red-eyed bugs singing loud sci-fi sounding songs, can seem downright creepy. Especially since the trillions of them coming this year emerge from underground only every 17 years.

Plants & Animals May 07, 2021

Animals laugh too, analysis of vocalization data suggests

Human laughter is common, but it's a somewhat mysterious part of our evolution. It's clear to evolutionary scholars that we laugh as a part of play, signaling our cooperation or friendliness. But how did laughter evolve? ...

Plants & Animals May 07, 2021

The African wild dog: Ambassador for the world's largest terrestrial conservation area

The world's largest terrestrial conservation area is located in southern Africa and covers 520,000 square kilometers spanning five countries. A study from the University of Zurich now shows that the endangered African wild ...

Ecology May 07, 2021

US braces for billions of cicadas to emerge after 17 years underground

Some are waiting for their arrival with trepidation, others are curious what they might taste like: Americans are swapping tips on how best to weather the storm when billions of cicadas soon emerge after 17 years underground.

Plants & Animals May 05, 2021

Nature at its craziest: Trillions of cicadas about to emerge

Sifting through a shovel load of dirt in a suburban backyard, Michael Raupp and Paula Shrewsbury find their quarry: a cicada nymph.

Ecology May 04, 2021

Suitable spawning habitat awaits salmon

In a multi-stage effort to return migratory salmon to the Upper Columbia River so the fish may rekindle self-sustaining populations, scientists recently concluded that acres of suitable habitat await the salmon, should they ...

Veterinary medicine May 03, 2021

Dogs' aggressive behavior towards humans is often caused by fear

A study encompassing some 9,000 dogs conducted at the University of Helsinki demonstrated that fearfulness, age, breed, the company of other members of the same species and the owner's previous experience of dogs were associated ...

Plants & Animals May 03, 2021

Pandemic puppies: Canine crisis or happy household?

At first, it was toilet paper and hand sanitizer. People stuck at home with time to bake bought up all the flour. Next came the terrifying shortages of hospital ventilators and ICU beds, and eventually vaccines.

Plants & Animals Apr 30, 2021

'No one ever forgets living through a mouse plague': The dystopia facing Australian rural communities

Imagine constantly living with mice. Every time you open a cupboard to get linen, clothes or food, mice have been or are still there. When you go to sleep they run across your bed and, in the morning, your first job is to ...

Plants & Animals Apr 29, 2021

Mammals' brains: New research shows bigger doesn't always mean smarter

If a friend boasts of having a "big-brained" dog, your reaction is probably not to ask "relative to what?" You would simply assume your friend thinks their dog is pretty smart. But are we always right to equate big brains ...

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