Smart News

Many organizations classify hypertension as a blood pressure reading of 140/90 mmHg or higher, though some say 130/80 mmHg.

High Blood Pressure Is a 'Silent Killer' That Affects One in Three People, WHO Says

But nearly half of those living with the condition don't know they have it, according to the organization's first report on hypertension

Pink diamonds form when the gems' crystalline structure gets bent under intense pressure.

Geologists Unravel the Mysteries of Australia's Rare Pink Diamonds

The dazzling, blush-colored gems likely emerged from Earth's mantle some 1.3 billion years ago, when a supercontinent named Nuna broke up, study suggests

One side of the amphora, which dates to 530 B.C.E., depicts the mythological figure Heracles fighting the Nemean lion.

Australian Museum Will Return Prized 2,500-Year-Old Vase to Italy

The institution will also repatriate two additional looted items discovered during investigations

Bob Ross' signature in the corner of A Walk in the Woods (1983)

Bob Ross' Very First On-Air Painting Is for Sale

Priced at nearly $10 million, "A Walk in the Woods" was the subject of the artist's 1983 television premiere

Two types of white blood cells, a neutrophil (top) and a lymphocyte (bottom), in human blood.

Human Cells Display a Mathematical Pattern That Repeats in Nature and Language

New research suggests adult humans have between 28 trillion and 36 trillion cells, which follow a commonly seen distribution of size and mass

The eagle eyes of Welcome as Warning stare down at visitors to "The World's UnFair" in Queens, New York.

'The World’s UnFair,' a New Exhibition Calling for the Return of Indigenous Land, Comes to Queens

Located on an empty lot, the immersive art show has a simple message: "Give it back"

Tian Tian playing in the snow. Tian Tian, Mei Xiang and their son Xiao Qi Ji will return to China by December 7.

Pandamonium

Why the National Zoo Is Saying Goodbye to Its Giant Pandas

Staff remain hopeful that members of the threatened species will be back in Washington in the near future

Édouard Manet's Olympia will soon make its United States debut in a new exhibition.

Manet's 'Olympia' Comes to America for the Very First Time

The painting scandalized 19th-century viewers and heralded the dawn of modern art

Some birds—including blue jays—are strong vocal learners that can mimic other birds and make lots of different sounds.

Songbirds That Learn to Make New Sounds Are the Best Problem-Solvers

Birds—and humans—are vocal learners, meaning they can imitate new vocalizations and use them to communicate

Aspen Brown unearthed the golden-brown diamond while visiting Crater of Diamonds State Park with her family.

Cool Finds

Girl Celebrating 7th Birthday Finds 2.95-Carat Diamond

Aspen Brown stumbled upon the pea-sized, golden-brown gem while visiting an Arkansas park

Engravings at the study site depict animal tracks.

Stone Age Engravings of Animal Tracks Reveal New Details in Namibia

Indigenous tracking experts determined the species, sex, age group and leg of depicted animals in hundreds of carvings of footprints

St. Sophia's Cathedral in Kyiv, Ukraine

UNESCO Adds Sites in Kyiv and Lviv to List of World Heritage in Danger

The agency has been trying to protect Ukraine's historic sites since the beginning of the war with Russia

An aerial view of the dig site at Tel Shimron

Cool Finds

Mysterious 3,800-Year-Old Canaanite Arch and Stairway Unearthed in Israel

Researchers don't know the purpose of the brick arch, which leads to a set of stairs descending deeper underground

This 20-inch X-wing miniature was used in the original Star Wars film's final battle.

Cool Finds

X-Wing Model From Original 'Star Wars' Movie Found in a Garage

The 20-inch miniature is going to auction, where bidding starts at $200,000

MDMA, also called molly or ecstasy.

MDMA Moves Closer to Approval for PTSD Treatment After New Clinical Trial

If endorsed by the FDA, the drug would become the first psychedelic approved for mental health treatment in the United States

Chairs sit ready for the attendees of the ceremony recognizing 2020 and 2021 Pulitzer Prize winners.

Why the Pulitzer Prizes Are Expanding Eligibility to Non-U.S. Citizens

The prestigious awards will soon be open to permanent residents and those who call the U.S. their "longtime primary home"

A quarry in the Cerro Blanco Forest in southern Ecuador, which is facing threats from construction and deforestation.

Humans Have Exceeded Six of the Nine Boundaries Keeping Earth Habitable

Scientists find we are “well outside the safe operating space for humanity” in a new study meant to assess the health of our planet

Many reports of Unidentified Anomalous Phenomena (UAP) are later discovered to be some type of balloon.

NASA Report Finds No Evidence of Extraterrestrial Origin for UFO Sightings

However, no explanation can be ruled out, per the agency, which also appointed its first director of research into the subject

Diana wore the sweater to a polo match in June 1981.

Found in an Attic, Princess Diana's Iconic 'Black Sheep' Sweater Sells for $1.1 Million

The red jumper’s design came to symbolize the princess' relationship with the royal family

Marc Abrahams, creator of the Ig Nobel Prizes, speaks at the 2003 ceremony. The first ceremony was held in 1991.

Smart Toilets and Licking Rocks: Ig Nobel Prizes Celebrate Strange Scientific Achievements

Winning research projects reanimated dead spiders and examined how anchovy sexual activity influences ocean mixing

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