Search Results for: Bears
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6,789 results for: Bears
- Animals
The first known scorpion to live with ants carries mini hitchhikers
Small arachnids hitch a ride on the scorpion, possibly to get inside food-rich ant nests.
By Jake Buehler - Animals
Male dragonflies’ wax coats might protect them against a warming climate
The reflective wax, which cools males on sunny courtship flights, may also armor them against the effects of climate change.
By Jake Buehler - Animals
Hibernating bears don’t get blood clots. Now scientists know why
People who sit still for hours have an increased risk of blood clots, but hibernating bears and people with long-term immobility don’t. A key clotting protein appears to be the reason why.
- Genetics
A genetic parasite may explain why humans and other apes lack tails
Around 25 million years ago, a stretch of DNA inserted itself into an ancestral ape’s genome, an event that might have taken our tails away.
- Archaeology
A mysterious ancient grave with a sword and mirror belonged to a woman
The items hint that she fought in or helped plan raids and defensive actions in what’s now southwestern England about 2,000 years ago, scientists speculate.
By Bruce Bower - Environment
This house was built partly from recycled diapers
Disposable diapers can replace nearly a third of the materials used in load-bearing structures, offering a potential path to more affordable housing.
- Planetary Science
A toxic gas that could help spawn life has been found on Enceladus
Cassini data indicate that hydrogen cyanide, a key building block for life, exists on Saturn’s icy moon. A snakelike NASA robot might test for sure.
By Nikk Ogasa - Earth
To form pink diamonds, build and destroy a supercontinent
The Argyle deposit in Australia formed about 1.3 billion years ago, a study shows, along a rift zone that sundered the supercontinent Nuna.
By Nikk Ogasa - Plants
The first citrus fruits may have come from southern China
An in-depth look at the orange family tree shows the oldest Citrus ancestors arrived in Asia on the Indian tectonic plate over 25 million years ago.
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- Tech
‘Nuts and Bolts’ showcases the 7 building blocks of modern engineering
Science News reviews Roma Agrawal's book, which updates the classic list of simple machines and reveals the heart and soul of engineering.
By Anna Demming - Animals
A bird flu outbreak is sweeping the globe. Its long-term effects are unclear
A reporter’s recent trip to the Galápagos offered a chance to reflect on the bird flu outbreak, which has killed millions of birds and other animals.