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Stimulants prescribed for ADHD target the parts of the brain related to wakefulness and reward, shown in yellow and orange, according to a new study.

How Do These ADHD Medications Work in the Brain? The Mechanisms Are Different Than Once Thought, a Study Suggests

Adderall, Ritalin and other stimulants prescribed for attention-deficit/hyperactivity disorder seem to work on brain areas involved with wakefulness and reward, rather than attention

Workers have installed a metal gate on the second-floor window of the Apollo Gallery, where thieves broke into the Louvre and stole valuable pieces of jewelry in October.

The Louvre Installs Metal Security Bars on Window Used During $102M Jewel Heist

The Paris institution, the busiest museum in the world, is also making other security upgrades

About 50 Apennine brown bears live in central Italy.

After Living Alongside Humans for Millennia, These Italian Brown Bears Have Evolved to Become Less Aggressive

Researchers found genetic differences that likely resulted from humans killing aggressive bears, leaving docile individuals to breed and pass along their genes to offspring

Flat-headed cats are rarely observed in the wild, in part because of their nocturnal habits.

This Wild Cat Is Considered ‘Possibly Extinct’ in Thailand. Researchers Just Caught It on Camera for the First Time in About 30 Years

Findings from the largest-ever survey of endangered flat-headed cats may help change the species’ official conservation status in Thailand

Dark-eyed juncos are small sparrows found throughout North America.

These Urban Birds Evolved Longer Beaks During Covid-19 Lockdowns. Then, They Changed Back

Researchers suspect that dark-eyed juncos living in Los Angeles adapted based on the availability of food scraps tossed by humans

Built between 180 and 193 C.E., the column depicts the battles of the Roman emperor Marcus Aurelius, with more than 2,000 highly detailed figures spiraling around the shaft.

Archaeologists Are Using Lasers to Clean Decades of Grime Off a Towering 1,800-Year-Old Marble Column in Rome

Standing 154 feet tall, the column of Marcus Aurelius is located in the Piazza Colonna and intricately decorated with gruesome scenes of warfare

The researchers examined 3D reconstructions of hundreds of ant exoskeletons.

Some Ants Sacrifice Stronger Exoskeletons for Larger Colonies, Which May Help Them Take Over New Environments

Species with thinner protective barriers may need fewer resources and tend to have a greater ability to adapt to new habitats, a study suggests

The new Banksy artwork near the Centre Point tower in London

Banksy Unveils Two New Murals of Children Gazing Up at the Sky Days Before Christmas

Some onlookers are interpreting the identical artworks, which appeared on the streets of London, as a commentary on homelessness in the city

Estrogen may cause certain colon cells, shown in green in this microscope image, to release a hormone called peptide YY. This, in turn, causes a different type of colon cell, colored magenta, to pump out the chemical messenger serotonin, which activates pain-sensing nerve fibers.

Women Are More Likely to Have Irritable Bowel Syndrome. This Newfound Gut Pain Pathway Might Explain Why

The hormone estrogen—which female animals typically have more of than males—triggers a molecular cascade in the gut that leads to pain signals, a study in mice suggests

The Hjortspring boat is displayed at the National Museum of Denmark.

New Research

The Mysterious Hjortspring Boat That Sank in Denmark 2,400 Years Ago Is Still Revealing Its Secrets

New research suggests indicates that Scandinavia’s oldest known example of a wooden plank boat may have sailed to attack the island of Als from the east, indicating a planned effort

An artistic representation of a superkilonova

In a First, Astronomers May Have Witnessed a Rare Double Explosion of a Star Called a Superkilonova

A massive star may have burst, leaving behind two dense, dead cores, which then collided and caused another explosion

Denmark's state-run postal service is dismantling its iconic red mailboxes and will end letter delivery service on December 30.

Denmark’s Postal Service Is About to Stop Delivering Physical Letters After 400 Years

As the volume of letters plummets, PostNord, the government-owned postal service of Denmark and Sweden, will stop transporting letters in Denmark on December 30, though it will continue distributing packages

New research suggests that swearing boosts physical performance by reducing inhibitions.

Need a Quick Boost in Physical Strength? Try Blurting Out Some Curse Words, a Study Suggests

When repeating four-letter words, participants held a challenging physical task for longer than when they said neutral words. Cursing seemed to help them feel more focused, more confident and less distracted

Michaela "Michi" Benthaus in the center with her five crewmates

This Aerospace Engineer Just Became the First Wheelchair User to Travel to Space

A brief commercial flight with space tourism company Blue Origin made Michaela “Michi” Benthaus’ childhood dream come true

Both statues are more than 40 feet tall.

Two Towering Statues of an Ancient Egyptian Pharaoh Have Been Restored at the Entrance of His Temple After 3,000 Years

Known as the Colossi of Memnon, the statues of Amenhotep III both stand at more than 40 feet tall. Experts have been working for two decades to reassemble them

Nanoflowers, which look white, can help healthy cells, colored yellow, deliver mitochondria, colored red, to nearby cells. 

A New Way to Boost the Powerhouses of the Cell Might Combat Aging and Degenerative Diseases, Lab Study Suggests

Creating mini mitochondria factories helped recharge damaged cells in a dish, providing proof-of-concept work that could pave the way to new regenerative medicine therapies

The oil portrait is one of Gilbert Stuart's Athenaeum-type paintings of Washington.

One of the George Washington Portraits That Inspired the Image on the $1 Bill Could Sell for Up to $1 Million

Artist Gilbert Stuart made numerous paintings of the first president. The copy that’s up for sale was commissioned by James Madison in 1804

An artistic representation of exoplanet PSR J2322-2650b, on the left, and the pulsar it orbits, on the right

This Lemon-Shaped Planet Has an Atmosphere Unlike Anything Astronomers Have Ever Seen

The James Webb Space Telescope detected an atmosphere rich with carbon and helium, which is unexpected on this hot planet roughly 2,000 light-years from Earth

Researchers were surprised when they spotted an additional cub with this mother polar bear.

This Mama Polar Bear Adopted a Young Cub—and You Can Track the Family as They Wander Around the Hudson Bay

The rare event marks the 13th known instance of adoption within this well-studied group of polar bears living in the western Hudson Bay area

The new Barbara Rose Johns statue was unveiled in Emancipation Hall at the U.S. Capitol on December 16.

Traveling Along the U.S. Civil Rights Trail

She Protested School Segregation as a Teenager. Now She’s Being Honored With a Statue at the U.S. Capitol

Lawmakers gathered in the Capitol for the unveiling of a bronze statue honoring teenage civil rights activist Barbara Rose Johns

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