Smart News

How would you calculate the weight of a T. Rex based only on its bones? There's at least two ways to find the answer, experts found.

How to Weigh a Dinosaur

A new study reveals the proper technique to weigh these extinct creatures

The statues have stood outside of the Shelbourne Hotel since 1867.

Dublin Hotel Controversially Removes Four Statues of African Women

City officials say the Shelbourne, which moved the sculptures because it believed they depicted enslaved women, failed to follow proper procedures

"Human Forms" is on view through November.

Ancient Israeli Cave Transformed Into Art Gallery

For his latest show, artist Ivo Bisignano created a series of massive wooden sculptures that mimic the cavern's curvature

Polish explorers check a footage from a remote-operated vehicle deep in the Czech Republic's deepest cave.

New Research

World’s Deepest Freshwater Cave Is Twice as Deep as Previously Thought

New research shows the Hranice Abyss in the Czech Republic is 3,280 feet deep

This illustration depicts what Andromeda's gaseous halo might look like if it were visible to humans on Earth. At three times the size of the Big Dipper, the halo would be "easily the biggest feature on the nighttime sky," per the NASA statement.

Andromeda's Halo of Gases Is Bumping Up Against Our Own, Scientists Say

Researchers using NASA’s Hubble Space Telescope mapped the gaseous halo that surrounds the Andromeda Galaxy

The rusted metal casket that holds the preserved heart of Pierre David (1771-1839), former mayor of Verviers

Renovations Reveal 19th-Century Mayor's Heart Entombed in Belgian Fountain

Workers unearthed a metal box thought to contain the local leader's organ last month

A photo of a highland wild dog in Papua, Indonesia. A new genetic study confirms that these wild dogs are in fact a surviving population of the New Guinea singing dog, which was thought to be extinct in the wild.

New Research

Thought to Be Extinct, New Guinea’s Singing Dogs Found Alive in the Wild

A new genetic study confirms that the unique dogs, thought to be extinct in the wild, still exist outside of human care

The Siesta after Millet, Vincent Van Gogh, 1890

Sleep Experts Make the Case Against Daylight Saving Time

The American Academy of Sleep Medicine called for the abolishment of seasonal time changes last week

"This coin is the Holy Grail of all dollars," says Laura Sperber, president of Legend Rare Coin Auctions.

The World's Most Expensive Coin Is Up for Sale

Expected to fetch upward of $10 million, the 1794 Flowing Hair dollar was one of the first coins struck by the newly created U.S. Mint

A scale model of Stonehenge used to test the ancient monument's acoustics

New Research

Scientists Map Stonehenge's Soundscape

Study of small-scale model sheds light on how conversation, music moved through the massive monument

A musical instrument made out a human thigh bone

Bronze Age Britons Crafted Instruments, Decorations Out of Relatives' Bones

Ancient humans "treated and interacted with the dead in ways which are inconceivably macabre to us today," says researcher Tom Booth

A miniature version of the Hampton Court hedge maze is one of the most complicated mazes the amoebas solved.

New Research

A Mini Version of Britain's Royal Hedge Maze Is No Match for Amoebas

The study demonstrates how cells navigate the human body to provide immunity or carry messages

The Große Stammbuch contains 100 illustrations dated to between 1596 and 1647. This two-page spread depicts flowers, insects and shells.

Why 'Friendship Books' Were the 17th-Century Version of Facebook

Dozens of 17th-century dignitaries signed a 227-page manuscript recently acquired by a German library

Fragment of a 1,400-year-old chalice found near Hadrian's Wall in northern England

Cool Finds

Britain's Oldest Example of Christian Graffiti Found Near Hadrian's Wall

Researchers at Vindolanda unearthed a 1,400-year-old lead chalice covered in religious symbols

An artist's rendering of the 250-million-year-old animal Lystrosaurus in a hibernation-like state.

Hibernation May Be a 250-Million-Year-Old Survival Trick

Paleontologists studying this strange creature’s tusks say they’ve found evidence the animal slowed its metabolism during hard times

Head of a Bearded Man is believed to have been painted by a member of Dutch master Rembrandt's studio. Further research is necessary to determine if the work was painted by the artist himself.

Art Meets Science

Painting Deemed Fake, Consigned to Storage May Be Genuine Rembrandt

New analysis confirms the famed Dutch painter’s studio—and perhaps even the artist himself—created "Head of a Bearded Man"

The Arecibo Observatory in Puerto Rico, pictured in 2012

A Cable Snapped, and the Arecibo Observatory Went Dark. Here’s Why That Matters

An accident in the middle of the night damaged one of the world’s most important observatories—and scientists still don’t know what caused it

This embryonic sauropod perished after about four-fifths of its development in an egg.

New Research

Why This 'Unicorn Baby Dinosaur' Is the 'Cutest,' 'Weirdest' Ever

The tiny sauropod had a horn on its snout and forward-facing eyes, unlike its adult counterparts

The vast trench dug by treasure hunters is visible at the center of this image.

Treasure Hunters Destroy 2,000-Year-Old Heritage Site in Sudan

Illegal gold diggers dug an enormous trench at Jabal Maragha in the eastern Sahara Desert

University of Arizona leaders were able to prevent a potential Covid-19 outbreak by testing wastewater.

University of Arizona Stops a Covid-19 Outbreak by Following the Feces

After wastewater monitoring detected the virus in a dorm’s sewage, the school discovered and quarantined two asymptomatic infections

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