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Education During Coronavirus

Take Free, Online College Classes Featuring Anthony Fauci and Other Covid-19 Experts

MIT’s class includes live-streamed lectures on Tuesday mornings and Purdue’s self-paced course offers a certificate in contact tracing

As the researcher taps the page, numbers appear on screen.

With a Simple Piece of Paper, Engineers Create Self-Powered, Wireless Keyboard

Scientists at Purdue University have found a way to make a piece of paper digitally interactive

Green lasers pointed at a plastic mannequin head wearing a face shield show how the droplets from a cough or sneeze escape around the sides.

New Research

Face Shields and Valved Masks Don’t Fully Stop the Spread of Aerosols

A new visualization shows how droplets from a cough or sneeze escape around the sides of a plastic face shield

A recent study found that a single pair of used blue jeans can release, on average, 56,000 microfibers per wash.

Microfibers From Blue Jeans Are Polluting Arctic Oceans

Researchers found that bits of denim are much more prevalent in our oceans than previously thought

How would you calculate the weight of a T. Rex based only on its bones? There's at least two ways to find the answer, experts found.

How to Weigh a Dinosaur

A new study reveals the proper technique to weigh these extinct creatures

Polish explorers check a footage from a remote-operated vehicle deep in the Czech Republic's deepest cave.

New Research

World’s Deepest Freshwater Cave Is Twice as Deep as Previously Thought

New research shows the Hranice Abyss in the Czech Republic is 3,280 feet deep

This illustration depicts what Andromeda's gaseous halo might look like if it were visible to humans on Earth. At three times the size of the Big Dipper, the halo would be "easily the biggest feature on the nighttime sky," per the NASA statement.

Andromeda’s Halo of Gases Is Bumping Up Against Our Own, Scientists Say

Researchers using NASA’s Hubble Space Telescope mapped the gaseous halo that surrounds the Andromeda Galaxy

A photo of a highland wild dog in Papua, Indonesia. A new genetic study confirms that these wild dogs are in fact a surviving population of the New Guinea singing dog, which was thought to be extinct in the wild.

New Research

Thought to Be Extinct, New Guinea’s Singing Dogs Found Alive in the Wild

A new genetic study confirms that the unique dogs, thought to be extinct in the wild, still exist outside of human care

The Siesta after Millet, Vincent Van Gogh, 1890

Sleep Experts Make the Case Against Daylight Saving Time

The American Academy of Sleep Medicine called for the abolishment of seasonal time changes last week

A miniature version of the Hampton Court hedge maze is one of the most complicated mazes the amoebas solved.

New Research

A Mini Version of Britain’s Royal Hedge Maze Is No Match for Amoebas

The study demonstrates how cells navigate the human body to provide immunity or carry messages

An artist's rendering of the 250-million-year-old animal Lystrosaurus in a hibernation-like state.

Hibernation May Be a 250-Million-Year-Old Survival Trick

Paleontologists studying this strange creature’s tusks say they’ve found evidence the animal slowed its metabolism during hard times

The Arecibo Observatory in Puerto Rico, pictured in 2012

A Cable Snapped, and the Arecibo Observatory Went Dark. Here’s Why That Matters

An accident in the middle of the night damaged one of the world’s most important observatories—and scientists still don’t know what caused it

This embryonic sauropod perished after about four-fifths of its development in an egg.

New Research

Why This ‘Unicorn Baby Dinosaur’ Is the ‘Cutest,’ ‘Weirdest’ Ever

The tiny sauropod had a horn on its snout and forward-facing eyes, unlike its adult counterparts

University of Arizona leaders were able to prevent a potential Covid-19 outbreak by testing wastewater.

University of Arizona Stops a Covid-19 Outbreak by Following the Feces

After wastewater monitoring detected the virus in a dorm’s sewage, the school discovered and quarantined two asymptomatic infections

This global map indicates the temperature differences between now and preindustrial times, where dark blue translates to cooler temperatures.

Scientists Project Precisely How Cold the Last Ice Age Was

Researchers used models and data from fossilized plankton to determine the global average temperature at the time

Dark skies specialist Stephen Hummel of the University of Texas at Austin captured this rare formation at the McDonald Observatory.

How to Spot Elusive ‘Jellyfish Sprites’ Dancing in the Sky During a Thunderstorm

The large red flashes of light only last for milliseconds

The mushroom cloud from Tsar Bomba was 42 miles high, about seven times the height of Mount Everest

Russia Declassifies Video From 1961 of Largest Hydrogen Bomb Ever Detonated

The blast was over 3,000 times bigger than the bomb that destroyed Hiroshima

Researchers found that painting one blade black was enough to encourage the birds to alter their flight path.

New Research

Painting Wind Turbine Blades Black Help Birds Avoid Deadly Collisions

A recent study found the simple intervention reduced bird mortality by 72 percent

An illustration of the poliovirus, which causes polio

Wild Polio Eradicated in 47 African Countries

Experts announced Tuesday that the disease, which can cause paralysis and death in young children, has been virtually eliminated from the continent

In the background, an image taken from the Northern Hemisphere of Comet NEOWISE on July 18, 2020. Inset, the Hubble Space Telescope's most recent snapshot of NEOWISE, taken on August 8 as it careens away from Earth.

Hubble Snapshots Reveal That Comet Neowise Survived Its Trip Around the Sun

A close-up taken in August shows the 11,000-mile-wide cloud of dust and gas that shrouds the comet

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