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A new analysis dates the wax bust's creation to the 19th century—some 300 years after Leonardo's death in 1519.

New Research

Whale Wax Helps Scholars Solve Mystery of Supposed Leonardo da Vinci Sculpture

Radiocarbon dating places the bust’s creation centuries after the Renaissance artist’s death in 1519

Grasses and coastal scrub photographed at Salt Point State Park in Northern California. This park is one of several coastal areas researchers surveyed as part of a new study of disease-carrying ticks.

New Research

California Study Finds Lyme Disease-Carrying Ticks by the Beach

Researchers found as many ticks carrying the bacterium that causes Lyme disease in coastal areas as they did in woodlands

Workers at the famed Italian museum discovered two long-lost 16th-century frescoes while conducting renovations. Pictured here, a life-sized portrait of Grand Duke Cosimo II de’ Medici depicts the ruler towering over two female figures who act as allegories for the cities of Siena and Florence.

Cool Finds

Renaissance-Era Florentine Frescoes Spent Centuries Hidden in Plain Sight

Renovations at the Uffizi Gallery revealed two overlooked paintings of Medici dukes, among other intriguing finds

The shark fossil is nearly seven feet long, with two 2.5-foot-long fin spines on its back.

New Research

New Mexico’s ‘Godzilla’ Shark Fossil Gets an Official Name

The prehistoric beast’s scientific name is Dracopristis hoffmanorum

The copper prototype dates to 1794, the year that the U.S. Mint first struck its famed "Flowing Hair" silver dollars.

One of the First Dollar Coins Struck at the U.S. Mint Sells for $840,000

The 1794 copper coin served as a prototype for the famed “Flowing Hair” silver dollar

Archaeologists say the mosaic was probably part of a grand Byzantine-era home.

Cool Finds

Colorful, 1,600-Year-Old Mosaic Adorned With Geometric Patterns Found in Israel

The fourth- or fifth-century artwork was probably part of a large mansion near an industrial zone

Researchers identified that ancestral tarantulas arrived in the Americas 120 million years ago during the Cretaceous period.

How Tarantulas Spread to Every Continent Except Antarctica

A new study explains how the arachnids migrated before and after the Gondwana supercontinent split apart

A new way of chemically recycling single-use plastics might offer an incentive to keep them out of landfills.

Innovation for Good

New Chemical Process Turns Single-Use Plastics Into Fuels

Researchers say their method can break down hard-to-recycle plastics using half the energy of existing techniques

Following a 1985 police bombing that left 11 dead, mourners stand in front of MOVE's former headquarters, raising their arms in the Black Power salute as the funeral procession for leader John Africa passes.

Museum Kept Bones of Black Children Killed in 1985 Police Bombing in Storage for Decades

Outrage erupted over the revelation that the likely remains of two young victims were held in and studied at Ivy League institutions

Researchers created this 3- by 2-centimeter version of The Starry Night in just four minutes.

Art Meets Science

Scientists Use Laser Paintbrush to Craft Mini Version of van Gogh’s ‘Starry Night’

The colorful “brushstrokes” are “reversible, rewritable [and] erasable,” says scholar Galina Odintsova

The ancient amphitheater dates to around 200 A.D., when the Severan dynasty ruled the Roman Empire.

Cool Finds

In Ancient Turkey, Gladiators Fought at This Colosseum-Like Amphitheater

The 1,800-year-old arena housed up to 20,000 spectators eager to bet on the bloody battles

The enzyme-enhanced plastic film had the same strength and flexibility as a standard plastic grocery bag.

Innovation for Good

This Biodegradable Plastic Will Actually Break Down in Your Compost

Water and heat activate plastic-munching enzymes that reduce the material to harmless chemical building blocks

Researchers found low levels of radiation from Cold War nuclear tests in local honey produced in the Eastern United States.

New Research

Fallout From Cold War Nuclear Testing Detected in U.S. Honey

The radiation found doesn’t represent a health risk for humans, but it might impact bees

To calculate how the tail propelled the T. rex, the researchers scanned and modeled an adult T. rex specimen at the Naturalis Biodiversity Center in Leiden known as "Trix," pictured here.

New Study Finds T. Rex Walked at a Slow Pace of Three Miles Per Hour

Dutch researchers calculated the surprising speed of the dinosaur based on 3-D reconstructions of its lengthy tail

Samuel Ntiro's Chopping Wood (circa 1967) is one of 12 newly attributed African Modernist artworks set to go on view in Scotland next month.

Cool Finds

Trove of African Modernist Masterpieces Spent Decades Hidden in Rural Scotland

A two-year research project identified 12 overlooked paintings, drawings and prints by pioneering 20th-century artists

A close-up view of Picasso's Seated Man (1917) shows the deep cracks running along its surface.

Art Meets Science

Why Did This Picasso Painting Deteriorate Faster Than Its Peers?

Study examines how animal glue, canvases, layers of paint and chemicals interacted to produce cracks in one work but not in others

Two scribes with near-identical handwriting penned the Great Isaiah Scroll.

Innovation for Good

How A.I. Is Helping Scholars Unlock the Secrets of the Dead Sea Scrolls

A new handwriting analysis suggests that two scribes collaborated on a key ancient manuscript

The invasive jumping worm will thrash and snap its body when touched.

Highly Invasive Jumping Worms Have Spread to 15 States

The invertebrate depletes topsoil of nutrients and makes it difficult for fungi and plants to grow

A mounted specimen of the type of tyrannosaur at the heart of new research that suggests these predators may have lived in groups. These skeletons are from a species named Teratophoneus curriei, and show an adult (left) and juvenile (right) at the Natural History Museum of Utah.

New Research

New Fossils Suggest Tyrannosaurs May Have Hunted in Packs

Researchers say the trove of four or five specimens found in southern Utah challenges the assumption that these predators were solitary

Harriet Tubman likely lived in the Maryland cabin between 1839 and 1844, when she was about 17 to 22 years old.

Cool Finds

Site of Harriet Tubman’s Lost Maryland Home Found After Decades-Long Search

The Underground Railroad conductor’s father, Ben Ross, received the land where the cabin once stood in the early 1840s

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