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Science

Scientists are testing this 15th-century letter for chemical traces of its author, Vlad Dracula, Transylvanian ruler and inspiration for the fictional count.

Document Detectives Use Smudges and Bloodstains to Investigate the Past

Proteins left behind on historic artifacts are revealing centuries-old secrets

On the Eastern Shore of Maryland, the bare, whitened trunks of a “ghost forest” are one of the effects of surging waters that turn woodland into marsh.

America's Waterways: The Past, Present and Future

Why Marshlands Are the Perfect Lab for Studying Climate Change

At the border between land and sea, an extraordinary set of experiments is helping us prepare for an uncertain future

A fishing cat, Prionailurus viverrinus, in Koh Mon, Thailand, at a shrimp farm. Such facilities reduce the area inhabited by the shy animal, contributing to its decline. 

Planet Positive

Fishing Cats Face Many Human Threats. What Can Be Done to Save Them?

The wild felines in Asia are highly adapted to watery environs that are disappearing

The 6,000-year-old watermelon seeds from Uan Muhuggiag (left) border a child eating a modern watermelon.

Why Prehistoric Herders Didn’t Spit Out Their Watermelon Seeds

Thousands of years ago, Saharans ate the kernels before the fruit became sweet

NASA’s Volatiles Investigating Polar Exploration Rover, or VIPER, will seek out ice deposits in the craters of the lunar South Pole.

The Revolution in Moon Exploration

These Five Innovative Rovers Will Soon Explore the Moon

From a team of mini-bots launched by a catapult to a remote-control golf-cart-sized vehicle, these robots will help us understand the moon’s geology

Magic was just another tool in a medieval animal healer's toolbox.

The Veterinary Magic of the Middle Ages

Medieval healers treated animals’ ailments with a mix of faith, tradition and science

Truffles have spread around the world, including to countries in South America.

How Truffles Took Root Around the World

For centuries, the wild delicacy grew only in Europe. But improved cultivation techniques have enabled the pricey fungus to be farmed in new places.

Roughly 4 percent of adults in the United States have chronic nightmares.

The Future of Mental Health

Can a Musical Reminder Banish Bad Dreams?

Scientists hope that playing certain chords while sleeping can trigger positive memories and prevent nightmares

An artistic rendering of a multituberculate mother with her litter of offspring.

Just Like Us, Jurassic Mammals Cared for Their Young

Clues from bones reveal multituberculates looked after their offspring for lengthy periods during the Age of Dinosaurs

A scary figure emerges in a doorway at Dystopia Haunted House.

Can Experiencing Horror Help Your Brain?

The “recreational fear” that arises from visiting haunted houses and watching scary movies may provide psychological benefits

A mountain lion, P-22, known to live in the Los Angeles area

L.A.’s Cougars Were Driven to Extremes by Wildfire

With less suitable habitat, the big cats traveled further and crossed dangerous roads more often

Shark skin is made of tiny, stiff segments of overlapping, textured dentin and enamel. Shark skin’s distinctive texture gives sharks greater efficiency moving through the water.

Shark Skin-Inspired Materials Have a Long Way to Go Before They Work Like the Real Thing

The predator’s distinctive texture is the envy of engineers trying to maximize hydrodynamics

Deinocheirus walks across a landscape dotted with ponds. Fossils found recently in eastern North America provide evidence that similar dinosaurs lived on our continent.

Giant Ostrich-Like Dinosaurs Once Roamed North America

Rare finds in Mississippi paint a picture of these creatures’ lost world

A yoga instructor practices a breathing exercise.

The Future of Mental Health

How Does Breathing Affect Your Brain?

Neuroscientist are piecing together how the rhythm of respiration influences everything from cognition to emotion

The first juvenile collector urchin (Tripneustes gratilla) raised from a cryopreserved embryo.

Planet Positive

A Graduate Student’s Research Could Help Stop the Spread of Invasive Seaweed in Hawai’i

For the first time, using cryopreservation to freeze sea urchin embryos may help restore coral reefs

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Can This New A.I. Tool Help Detect Blood Poisoning?

The algorithm scans electronic records and may reduce sepsis deaths, but widespread adoption could be a challenge

A golden-winged warbler perches on a branch in Minnesota. The bird’s declining population worries ornithologists.

More Than Half of U.S. Bird Populations Are Shrinking

An alarming report indicates that dozens of species are likely to become federally endangered without preventive action

Two Hadza men in Tanzania carry bows and their catch.

Our Ancestors Ate a Paleo Diet, With Carbs

A modern hunter-gatherer group known as the Hadza has taught researchers surprising things about the highly variable menu consumed by humans past

The Maka Niu, a low-cost, customizable deep-sea observing tool is currently undergoing testing around the world, including at the New England Aquarium in Boston, Massachusetts.

This Low-Cost Device Could Make the Deep Sea Accessible to Everyone

The inexpensive Maka Niu collects video and data at depths more than five times greater than trained scuba divers can go

This photo of the south end of the canal, taken in 2018, shows where the waterway met up with Little Lagoon. 

Archaeologists Dig Up 1,400-Year-Old Native American Canal in Alabama

The nearly mile-long structure allowed inhabitants to paddle to rich fishing grounds and access trade routes

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