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Evaluate the evidence for the role of group behavior on individual and species' chances to survive and reproduce.
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AnimalsLet’s learn about dogs
From learning the names of their toys to sniffing out viruses in human sweat, dogs are far more than household pets.
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MicrobesSeveral plant-like algae can morph into animal-like predators
Single-celled green algae swim through water as free cells. Most use only photosynthesis for their energy. But not all of them, a new study shows.
By Laura Allen -
BrainSearch for ‘rewards’ is big driver in remodeling a teen’s brain
Communication ‘highways’ in the brain undergo a major overhaul as children morph into adults. Dopamine plays a big role in this remodeling project.
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AnimalsChanging people’s behavior can make bear life better
Black bears don’t always live life on the wild side. More and more, they live near people. Here’s how people and bears can get along.
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EnvironmentUrban pollution can pose unseen risks to kids’ immunity and more
A trio of new studies links immune changes and high blood pressure to inhaling bad air.
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AnimalsUrban gardens create a buffet for bees
City gardens provide a huge amount of nectar and pollen for pollinators, making them an essential conservation tool.
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Moderna and Pfizer vaccines appear to cut coronavirus spread
The vaccines are about 90 percent effective at blocking infection, which should cut spread of the virus. And at least one vaccine works well in teens.
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Tiny spider uses silk to lift prey 50 times its own weight
Dropping the right silk let’s a spider haul mice, lizards and other giants up off the ground.
By Susan Milius -
AnimalsButterflies use jet propulsion for quick getaways
If you have ever tried to catch a resting butterfly, you know they are surprisingly difficult to nab. A new study helps explain why.
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AnimalsMore playtime and meatier meals might reduce kitty kills
Keeping cats indoors is the best way to prevent them from killing wildlife. But small changes to diet and play can help, too.
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Health & MedicineSome microbial hitchhikers may weaken body’s attack on COVID-19
New research identifies an altered mix of microbes in the body — ones commonly seen in people with poor diets — that may worsen coronavirus disease.
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AnimalsAnalyze This: Some dogs quickly learn new words
Two dogs picked up new words after hearing them a few times during play, but 20 other pets didn’t fare so well at learning the names of new toys.