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AnimalsWe are stardust
Everything making up Earth and what’s now living upon it — from trees and people to our pets and their fleas — owes their origins to the elements forged by ancient stars.
By Beth Geiger -
AnimalsFlower loss doomed the mammoths
Woolly mammoths roamed the Arctic until about 10,000 years ago. Why they died out may trace to the vanishing of the mostly flowering plants on which they had been dining.
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EnvironmentChina exports pollution alongside goods
Many companies have moved the plants that make their products to developing countries, such as China. But the pollution linked to making those products can travel around the world.
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Health & MedicineWhen a nut allergy comes back
Eating small amounts of peanuts may help people overcome an allergy to the food. But for most people undergoing the treatment, its benefits vanish after they stop eating peanuts.
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AnimalsBirds versus windows
Buildings in the United States can be deadly obstacles to flying birds. A new study estimates that as many as 1 billion birds die every year after colliding with windows. And low buildings — not skyscrapers — account for most of those deaths.
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EarthMining metals amidst seafloor animals
Miners may need to get their feet — and everything else — wet as they carefully seek out loads of copper and other valuable natural resources.
By Sid Perkins -
BrainVideo games can help some people read
People with dyslexia seem to get a boost from screen time.
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AnimalsSharks become science helpers
Jaws may scare beachgoers. But sharks bring a smile to some environmental scientists, who are using the toothy fishes to collect data on the ocean.
By Beth Mole -
AnimalsTag, you’re it!
Biologists now deploy a wide range of technologies to track animals. The data these experts collect reveal insights into the behavior of animals that spend much of their lives out of human eyeshot.
By Susan Moran -
AnimalsExplainer: Tagging through history
What started as little metal bands have evolved into high-tech devices — some of which rely on satellites to share their findings.
By Susan Moran -
AnimalsWatch out for tree-climbing crocs
What’s that up in the tree? If you live in the right part of the world, it could be a hungry croc.
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GeneticsWhere Native Americans come from
All tribes seem to derive from the same Asian roots, DNA indicates.