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The drawings and inscriptions date to 207 A.D.

Graffiti Left by Soldiers Repairing Hadrian’s Wall Will Be Immortalized in 3-D

Historic London calls the etchings “some of the most important” along the empire’s sprawling 73-mile northern border

Illustration shows two sperm fertilizing an egg.

Doctors Identify Very Rare ‘Semi-Identical’ Twins

There is only one other known case of this unusual type of conception, which happens when an egg is fertilized by two sperm

Cool Finds

Using Landmine Detectors, Meteorite Hunt Turns Up 36 Space Rocks in Antarctica

The scientists had a hunch that more meteorites were hidden a foot below the ice—they were right

"People seem to be getting used to changes they’d prefer to avoid," study lead author Frances Moore says. "But just because they’re not talking about it doesn’t mean it’s not making them worse off.”

It Only Takes a Few Years for Perceptions of Extreme Weather to Normalize, Study Suggests

According to a survey of two billion tweets, people stop viewing weather anomalies as extreme after just two to eight years of recurring temperatures

New Research

Lake Sediment and Ancient Poop Track Environmental Changes at Cahokia

The research reveals the largest pre-Hispanic settlement north of the Mexican border experienced flood and drought near its end

Does Exposure to Green Spaces in Childhood Lead to Better Mental Health?

A new study finds that growing up with limited access to greenery is associated with a 15 to 55 percent higher risk of developing mental health conditions

The volume of poetry is set to be sold alongside a trove of photographs passed down by the Barrow family.

Notebook of Poetry Penned by Bonnie and Clyde Set to Go on Auction

The volume features poems written by the outlaw duo during their Depression-era crime spree

Belarus' servicemen excavate a mass grave for the prisoners of a Jewish ghetto set up by the Nazis during World War II in the city of Brest.

Trending Today

Nazi-Era Mass Grave Found in Former Jewish Ghetto in Belarus

So far, authorities have recovered 730 sets of remains, though there may be many more

New Parents May Face Up to Six Years of Disrupted Sleep

A new study has found that sleep deprivation doesn’t end once babies start sleeping through the night

Trending Today

Chubby Rat Stuck in Manhole Cover Rescued by Fearless Firefighters

It took eight volunteer firefighters to pop the overweight rodent out of a vent in the sewer cover

The levels of radioactive material found at the scene weren't high enough to cause radiation poisoning, but experts point out that extended exposure could cause health problems over time

Radioactive Material Transferred by Cancer Patient’s Body Contaminated an Arizona Crematorium

Researchers also found traces of a different radioactive isotope, likely linked with a separate cremation, in a worker’s urine

Vincent van Gogh, "Tree Roots," 1890

Van Gogh Museum Suggests Artist’s Last Painting Has Long Been Misidentified

Experts argue that the abstract “Tree Roots” is a more likely candidate than the oft-cited “Wheatfield With Crows”

New Research

Could Climate Change Make These Clouds Go Extinct?

New modeling shows that 1,200 ppm of CO2 disrupts stratocumulus cloud formation, which could lead to 14 degrees Fahrenheit of warming

Furious Winds Lead to ‘Ice Tsunamis’ Along Lake Erie

Walls of ice—some as high as 30 feet—surged over the shoreline, colliding with residential properties

It’s likely the beached calf was separated from its mother during the humpback whales’ mass migration south

As Humpback Whales Migrate to Antarctica, One Straggler Washes Ashore in the Amazon

Scientists found the one-year-old calf’s carcass around 50 feet inland on a remote Brazilian island

Interior of the House Of Tomorrow, Century Of Progess Homes

‘House of Tomorrow,’ Futuristic Marvel From the 1933 World’s Fair, Is Available to Lease

Tenants will be expected to take on between $2.5 and 3 million in renovations of the historic property

The bluestone quarry at Carn Goedog.

New Research

Secrets of Stonehenge Found in Quarries 180 Miles Away

Archaeologists believe the builders popped out “ready-made” bluestones at a quarry in Wales and dragged them overland to Salisbury

Bernard Schottlander, "Calypso," c. 1972

Why 150,000 Sculptures in the U.K. Are Being Digitized

The expansive campaign by Art U.K. wants open up a conversation on the medium

A plume of sediment off the coast of Queensland after recent flooding.

Trending Today

Australia Allows One Million Tons of Sludge to Be Dumped on Great Barrier Reef

A loophole in Australian federal law allows dredging spoils from port maintenance to be dumped in the marine park

The U.S. Has the Highest Overdose Death Rate of Any Wealthy Nation

A new study has found that there are, on average, 3.5 times more drug-related deaths in the United States than in 17 other wealthy countries

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