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Bats and Sloths Don't Get Dizzy Hanging Upside Down—Here's Why

Bats and Sloths Don’t Get Dizzy Hanging Upside Down—Here’s Why

There’s a reason gravity boots never caught on: Being upside down can get pretty uncomfortable after a while. Noting the headaches that come with being inverted, National Geographic writer and editor Jane J. Lee asked Saturday’s Weird Animal Question of the Week: "Why don’t bats, and ot

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Rare 1,800-Year-Old Sarcophagus Recovered

Rare 1,800-Year-Old Sarcophagus Recovered

Israeli authorities have recovered an impressive Roman-era sarcophagus that construction workers tried to conceal after stumbling upon it at a building site, Israel’s Antiquities Authority (IAA) announced on Thursday. The 1,800-year-old stone coffin, which the IAA describes as one of the most i

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Hecker pairs pupils and student tutors – with dramatic gains for both

Hecker pairs pupils and student tutors – with dramatic gains for both

In an otherwise ordinary District of Columbia classroom, something transformative is going on in the lives of young learners. Gathered around small tables, groups of second- and third-graders have stayed after school for extra help to catch up with their peers in reading and writing. What’s

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'Bizarre,' Human-Size Sea Scorpion Found in Ancient Meteorite Crater

‘Bizarre,’ Human-Size Sea Scorpion Found in Ancient Meteorite Crater

About 460 million years ago, a sea scorpion about the size of an adult human swam around in the prehistoric waters that covered modern-day Iowa, likely dining on bivalves and squishy eel-like creatures, a new study finds. The ancient sea scorpions are eurypterids, a type of arthropod that is clo

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Sick Ants Self-Medicate to Fight Infection

Sick Ants Self-Medicate to Fight Infection

Healthy ants typically avoid harmful substances called reactive oxygen species, such as peroxides. But when they’re infected by a fungus, selectively ingesting those molecules will actually help them survive. The findings, published in Evolution this week, show that ants know how to fight disease

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Rare Nautilus Makes First Appearance in 30 Years

Rare Nautilus Makes First Appearance in 30 Years

[caption id="attachment_6727" align="alignright" width="300"] OLYMPUS DIGITAL CAMERA[/caption] University of Washington biologist Peter Ward ran into an old friend of sorts in July 2015, while exploring the waters off Papua New Guinea. During an expedition to survey nautilus populations, the s

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First 3D-printed pill approved by US authorities

First 3D-printed pill approved by US authorities

In a world first, the US Food and Drug Administration has given the go-ahead for a 3D-printed pill to be produced. The FDA has previously approved medical devices - including prosthetics - that have been 3D printed. The new drug, dubbed Spritam, was developed by Aprecia Pharmaceuticals to contro

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Century-Old Message in a Bottle Returned to Sender

Century-Old Message in a Bottle Returned to Sender

If you're ever marooned on a desert island, don't count on a message in a bottle to save you. That's because it can take over a hundred years for these objects to wash ashore, as a German woman recently discovered. Marianne Winkler found an old bottle on a beach on Amrum Island, Germany earli

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Tanya paired her love of fresh food with a desire to help women ex-convicts

Tanya paired her love of fresh food with a desire to help women ex-convicts

Piled high to the left of a newly constructed greenhouse sit stacks of bored timber. Each newly sawed trunk is spotted with holes, freshly sealed with yellow wax. Curled inside the holes are mushroom spores, oyster and shiitake, that will sprout in six to 12 months, ready to sell at farmers markets

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The World's First Ant Map Launched in Hong Kong

The World’s First Ant Map Launched in Hong Kong

The world's first-ever ant map showing the distribution of the tiny industrious creature around the globe was launched Thursday by the University of Hong Kong in a bid to shed more light on the insect world. The colorful interactive online map, which took four years to complete, displays the geog

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