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Archaeologists in China Discover the Oldest Stone Tools Outside Africa

Archaeologists in China Discover the Oldest Stone Tools Outside Africa

One of the 2.1 million-year-old artifacts, right, recovered from a gully in western China, left, suggest that hominins may have left Africa far earlier than previously believed.

The F.B.I. and the Mystery of the Mummy’s Head

The F.B.I. and the Mystery of the Mummy’s Head

This mummified, severed head was recovered from an ancient Egyptian tomb in 1915. Scientists needed to collect DNA to figure out whom the head belonged to.

‘Global Greening’ Sounds Good. In the Long Run, It’s Terrible.

‘Global Greening’ Sounds Good. In the Long Run, It’s Terrible.

Plant growth is increasing because of rising carbon dioxide. But plants return carbon dioxide into the atmosphere at night, in a process called respiration.

Grieving Orca Carries Dead Calf for More Than 3 Days: ‘She’s Just Not Letting Go’

Grieving Orca Carries Dead Calf for More Than 3 Days: ‘She’s Just Not Letting Go’

An orca whale has carried her dead calf on her nose for days in the Pacific Northwest.

Last March of the ‘Wooden Elephants’: Africa’s Ancient Baobabs Are Dying

Last March of the ‘Wooden Elephants’: Africa’s Ancient Baobabs Are Dying

A baobab tree at Epupa Falls in Namibia. Researchers suspect that Africa's "wooden elephants" are succumbing to prolonged droughts and increasing temperatures, which are parching the trees, leaving them unable to support the weight of their massive trunks.

Did Juul Lure Teenagers and Get ‘Customers for Life’?

Did Juul Lure Teenagers and Get ‘Customers for Life’?

Juul is under federal investigation for marketing its discreet, flash-drive-resembling e-cigarette product to youth.

Emperor Penguins: Good Dads, but Less Dedicated Than You May Have Thought

Emperor Penguins: Good Dads, but Less Dedicated Than You May Have Thought

Adult emperor penguins and their chicks near a research station in Terre Adélie, Antarctica. Researchers found that male penguins from one colony often slipped out to hunt during breeding season.

Farmland Birds in France Are in Steep Decline

Farmland Birds in France Are in Steep Decline

Over the past 17 years, the numbers of some bird species in French farming regions have dropped considerably. Meadow pipits have declined by 68 percent.

Summer Solstice 2019: The Search for Life in the Galaxy

Summer Solstice 2019: The Search for Life in the Galaxy

An artist’s rendering of an Earthlike exoplanet orbiting another. Scientists haven’t been able to measure an exoplanet’s tilt yet, but some suspect that a planet’s tilt is key to supporting life.


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