Smart News

An MRI of a brain of a person with Alzheimer's disease. A new study suggests having two copies of a genetic variant called APOE4 is a cause of the disease, not just a risk factor for it.

Almost All People With Two Copies of This Genetic Variant Develop Signs of Alzheimer's Disease, Study Finds

The research focused on a variant called APOE4 and largely looked at people of European ancestry—risk levels are different for other groups, the authors say

Canaletto's 18th century painting, The Stonemason’s Yard, depicts stone workers in a Venetian city square. 

A Canaletto Masterpiece Stowed in a Mine During World War II Returns to Wales

“The Stonemason’s Yard” was one of many paintings that officials took from the National Gallery in London and moved underground to keep safe from Nazi forces

A team of 18 bakers worked for hours to create the record-breaking loaf.

French Bakers Set a New World Record by Making a 461-Foot-Long Baguette

The previous world record was set by a group of bakers in Italy in 2019

Ellen Ochoa was awarded the Presidential Medal of Freedom at the White House last week, becoming the tenth astronaut to receive the country's highest civilian honor.

Ellen Ochoa, Former NASA Astronaut and First Hispanic Woman in Space, Receives Presidential Medal of Freedom

The former Johnson Space Center director logged four space shuttle flights and 1,000 hours in orbit over her 30-year career

In A Woman Sewing With Two Children, the central character wears a light wash denim apron.

When Were Blue Jeans Invented? These Paintings Suggest the Fashion Trend Dates Back to the 1600s

Ten paintings attributed to the "Master of the Blue Jeans" depict Italian peasants wearing the storied fabric

Previous research had found leprosy in modern red squirrels, and genetic analysis suggested the strain was closely related to leprosy found in medieval humans.

Medieval Squirrels and Humans May Have Spread Leprosy Back and Forth

Archaeologists uncovered evidence of leprosy in a medieval red squirrel in England, and DNA evidence revealed the strain was similar to what was circulating in humans at the time

Archaeologists discovered 300 sealed pottery jugs in the wreckage.

Roman-Era Ship Was Carrying Jugs Full of Fish Sauce When It Sank 1,700 Years Ago

Discovered in the summer of 2019, the Ses Fontanelles wreck likely ran aground sometime during the fourth century

Close-up showing the Archaeopteryx fossil’s skull, neck, spine, rib cage and wing bones. The fossil will go on view at Chicago's Field Museum on May 7.

Chicago Museum Unveils the 'Most Important Fossil Ever Discovered': the Feathered Dinosaur Archaeopteryx

Archaeopteryx provided the missing link between dinosaurs and the avians of today, serving as critical evidence for Charles Darwin’s theory of evolution

Bumblebees, on the whole, are better adapted for cooler temperatures than for heat—one species, Bombus polaris, even lives in the Arctic.

Bumblebee Nests May Be Overheating With Rising Global Temperatures, Study Finds

Across various species and regions, bumblebee nests thrive between 82 and 89.6 degrees Fahrenheit—and climate change could make it harder to find habitats in that range

From May 28 until October, the Prado Museum in Madrid will display Caravaggio's rediscovered Ecce Homo.

Spain's Prado Museum Will Showcase a Lost Caravaggio That Nearly Sold for Under $2,000

The rediscovered painting is one of 60 known pieces by the Italian artist and “one of the most valuable old master artworks in the world”

Shanidar Z likely stood 5 feet tall and was around 40 years old when she died.

Meet Shanidar Z, a Neanderthal Woman Who Walked the Earth 75,000 Years Ago

After carefully piecing her skull back together, archaeologists and paleoartists have created a lifelike 3D reconstruction of the woman's face

Researchers found the building's remains at Tel Habwa, an archaeological site northeast of Cairo.

Cool Finds

This Ancient Building May Have Served as a Rest Stop for an Egyptian Pharaoh's Army

Found in the northern Sinai Peninsula, the multi-room structure may have housed Thutmose III's troops over three and a half millennia ago

An angled view of the solar system with main asteroid belt discoveries in green and near-Earth objects in light blue.

Scientists Discover 27,500 Asteroids in Old Telescope Images Using A.I.

While most of the team’s new finds are located in the main asteroid belt, about 100 are near-Earth asteroids that pass close to our planet's orbit

More than 1,000 sea lions gathered at San Francisco's Pier 39 last week, marking the largest congregation of the marine mammals at the city's Fisherman's Wharf in about 15 years.

More Than 1,000 Sea Lions Gather at San Francisco's Pier 39, the Largest Group in 15 Years

The pinnipeds came to the area to feed on anchovies and herring as they prepare for breeding season

Scientists experimented with planting tomatoes, peas and carrots together and separately in several types of soil.

An Ancient Maya Practice Could Be the Key to Growing Vegetables on Mars

Researchers are exploring whether intercropping—a technique of growing different types of plants in close proximity to one another—could be the secret to agriculture on the Red Planet

The Adella Shores was built in 1894 for the Shores Lumber Company. It was named after the owner's daughter.

This Ship Mysteriously Vanished 115 Years Ago. Now, It's Been Found at the Bottom of Lake Superior

Nobody knew what happened to the "Adella Shores," which disappeared with 14 crew members aboard in 1909

The U.S. Navy works to recover the Orion spacecraft following its 2022 test flight to the moon.

NASA's Orion Capsule Heat Shield Wore Away in More Than 100 Places During 2022 Test Flight, Posing 'Significant Risks'

A new report highlights safety issues that NASA must address before using the spacecraft to send astronauts to the moon, and the agency is already working on fixing the problems

Louvre employees rehung Eugene Delacroix's 1830 oil painting Liberty Leading the People on Thursday after a six-month restoration.

'Liberty Leading the People' Returns to the Louvre After a Breathtaking Restoration

Eugène Delacroix's 1830 oil painting had been covered in grime and discolored by eight layers of varnish

The exhibition features recreations of the tomb's antechamber, burial chamber and treasury.

See 1,000 Perfect Replicas of Objects Unearthed From King Tut's Tomb

A traveling exhibition on view in Washington, D.C. blends education and entertainment, letting visitors get up close and personal with the ancient Egyptian pharaoh's treasures

The tornadoes uprooted and snapped some trees, but fortunately, no injuries or deaths have been reported.

Rare Tornado Spinning the 'Wrong' Direction Forms Over Oklahoma

A powerful anticyclonic tornado uprooted trees and damaged some buildings on the night of April 30, and a second unusual twister changed direction, doubling back on its path

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