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

An artist’s reconstruction of Scleromochlus taylori, an ancestor of pterosaurs

The Ancestors of Flying Pterosaurs Were Sleek Reptiles That Ran on the Ground

High definition scans of a fossil reveal the form of an early pterosaur relative

Photographed on September 14, 2022, 480 Otis is the reigning 2021 Fat Bear Week champion.

How the Bears at Alaska’s Katmai National Park Became Celebrities

Park officials had no idea that the installation of live nature cameras at Brooks River ten years ago would lead to the wildly successful Fat Bear Week

The project started eight years ago, when artists Heidi Quante and Alicia Escott had no words to describe the anxiety they were experiencing over California’s drought.

Art Meets Science

How Two California Artists Can Help Personalize Your Eco-Grief

Alicia Escott and Heidi Quante founded the Bureau of Linguistical Reality to create words to help describe people’s feelings about climate change

The elkhorn coral is one of the most endangered corals in the Caribbean and the Florida Keys. In Florida alone, the population is reduced by over 95 percent. A coral breeding project using elkhorn coral gametes collected in Florida and Curaçao hopes to give this species a new lease on life. 

This Moonshot for Coral Breeding Was Successful

But the coral are still in tanks, waiting to be released on reefs

A bus being treated with ultraviolet light in Shanghai, China. Although types of UV light are already in use to decontaminate vehicles and indoor spaces, the wavelengths used are dangerous to people. Researchers hope that wavelengths of far-UVC light can be used harmlessly when people are present.

Covid-19

Could UV Light Reduce the Spread of Covid-19 in Indoor Spaces?

Some wavelengths of light in a range called far-UVC kill microbes in experiments and appear to be harmless to people

Five-day-old red-eyed treefrog embryos are tightly curled inside dehydrated eggs packed closely together. It’s dry enough to make them begin to hatch early amid heating.

Panama

When the Heat Is on, Red-Eyed Treefrogs Hatch Early

The embryos make the move from clutches on leaves to rainforest ponds below

An artist’s reconstruction of Qianodus duplicis, the earliest known fish that had a mouth with teeth

Haul of Fossil Fish Pushes Back the Origin of Teeth and Jaws

The unexpected finds illustrate life during a critical and little-understood time period

A European eel swims in the Baltic Sea. 

The Utterly Engrossing Search for the Origin of Eels

To save the endangered animals, researchers have been working for decades to figure out where they reproduce

Just as songs repeat in choruses, formations in space take understandable shapes. Pictured here are the large Cartwheel galaxy and two smaller companion galaxies.

What Pop Stars and Actual Stars Have in Common

A songwriter and an astrophysicist discuss the art and science of repetition

The current drought reveals lost items from earlier, wetter times, like this sunken boat near Iceberg Canyon.

America's Waterways: The Past, Present and Future

The Breathtaking Glen Canyon Reveals Its Secrets

Water woes threaten America’s second largest reservoir—but leave new vistas in their wake

A bull walks in front of a cow. If they mate, the bull’s sperm will likely cluster together as they swim through the female’s reproductive organs.

Bull Sperm Get by With a Little Help From Their Friends

Traveling together helps the sperm navigate a tricky, sticky migration through a cow’s reproductive tract

A sculpture by artist Arlene Love and a tray of bottled scents in Joel Mainland’s office at the Monell Chemical Senses Center in Philadelphia.

Sniffing Out the Science of Smelling

From the lab to the art gallery, the latest efforts to understand the fragrant, musky, stinky and utterly baffling world of your nose

One reader wonders: Why did ants make it all over the Americas while anteaters didn’t?  

Why Do Anteaters Live Only in the Tropics and More Questions From Our Readers

You’ve got questions. We’ve got experts.

After the manta ray filters out the tiny plankton from the water it ingests, the excess water exits through the dark gill slits on the ray's ventral side. 

Planet Positive

Why Conservationists Are Hopeful About the Manta Ray’s Future

The giant fish faces threats from poachers, boat strikes and climate change

An experimental vineyard at Cornell AgriTech’s McCarthy Farm in Geneva, New York, where researchers are studying hybrid grapes

Are Hybrid Grapes the Future of Wine?

Scientists, growers and winemakers are working with experimental varieties to adapt to the effects of climate change

About two to three million birds of prey fly through Panama each fall, in what amounts to the world’s third-largest raptor migration.

Panama

Watch Millions of Raptors Fly Across Panama This Fall

The country’s unique shape makes it a perfect migratory pathway for the birds of prey

A pharmacist prepares to administer a Covid-19 booster shot to help protect a patient against the Omicron subvariants BA.4 and BA.5.

Four Big Questions About the New Covid-19 Boosters, Answered

The FDA and CDC recently recommended new boosters to target the Omicron subvariants. Here’s what you need to know about them.

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