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Smart News / Smart News Science

A rock layer showing the S2 impact tsunami bed with chunks of ripped-up seafloor

A Giant Meteorite Ripped Up the Seafloor and Boiled Earth’s Oceans 3.26 Billion Years Ago. Then, Life Blossomed in Its Wake

Geologists suggest the catastrophic impact of “S2” delivered key nutrients to the oceans, prompting microorganisms to thrive

The lack of a sense of smell, called anosmia, can be congenital or acquired at some point in a person's lifetime.

New Research

People Born Without a Sense of Smell Have Different Breathing Patterns, Study Finds

Study participants with lifelong anosmia sniffed less than those with a normal sense of smell. Future research could shed light on whether this has negative implications for their health

A composite image of Tugunbulak created using lidar scans

New Research

Archaeologists Map Two Forgotten Medieval Cities That Flourished Along the Silk Road in the Mountains of Central Asia

The new research could change history’s understanding of the sprawling trade network that connected Europe and the Middle East to East Asia

Polar bears are spending more time on land as sea ice shrinks.

Polar Bears Are Exposed to More Parasites, Viruses and Bacteria as the Arctic Heats Up

Pathogens are more common in polar bears living in the Chukchi Sea now than they were three decades ago, a new study suggests—but it’s not yet clear what that means for the mammals’ health

Scientists feared the giant salmon carp had gone extinct, but recent discoveries revealed the elusive species is still in the wild.

A Massive, Mysterious ‘Ghost’ Fish, Feared Extinct for Nearly 20 Years, Has Been Rediscovered in Cambodia

The giant salmon carp was formally identified in 1991, and since then, fewer than 30 individuals had been documented

The Upper Klamath River is also part of restoration work. The salmon's return inspires biologists to continue their efforts in the upper basin.

Salmon Make a Long-Awaited Return to the Klamath River for the First Time in 112 Years, After Largest Dam Removal in U.S.

Chinook salmon spark excitement among local Klamath Tribes, who have advocated for decades to restore the flow of the river in California and Oregon

Prime numbers are only divisible by themselves and one.

Amateur Mathematician Discovers the Largest Known Prime Number, With More Than 41 Million Digits

Called M136279841, the value belongs to a rare class of prime numbers called Mersenne primes and was found using a supercomputer system spread across 17 countries

Scurvy, or vitamin C deficiency, is easy to treat with supplements and dietary changes.

Is Scurvy Making a Comeback? Two Recent Cases Highlight How the Illness Can Appear in the Modern World

Scurvy diagnoses in Australia and Canada suggest doctors should consider testing for vitamin C deficiency in patients experiencing poverty, food insecurity and social isolation

A sample of ocean crust, turned upside down, reveals tubeworms and other organisms.

In a First, Scientists Find Animals Thriving Beneath the Ocean Floor in Hidden Habitats Near Deep-Sea Vents

The discovery of worms and snails confirms that these still-mysterious, dark hotspots of life extend beyond what’s visible above the crust

A 2007 illustration of Arthropleura, the largest known arthropod, which grew nearly as large as a car. New research suggests previous visualizations of the animal's head were incorrect.

Fossils Reveal the Face of an Extinct Nine-Foot-Long ‘Millipede,’ the Largest Arthropod to Ever Live

Scientists in France solved the evolutionary mystery of this prehistoric monster, which resembles both the centipedes and millipedes of today

The free museum is located in Williams, Arizona, about an hour south of the Grand Canyon.

Admire the World’s Largest Collection of Fossilized Poop at the New ‘Poozeum’ in Arizona

Owner George Frandsen has some 8,000 coprolites from dinosaurs, sharks and other creatures

Aerial view of Government Point, located within Point Conception State Marine Reserve and the newly designated Chumash Heritage National Marine Sanctuary

A New Marine Sanctuary Off California Will Be Co-Managed by Indigenous Peoples

NOAA designated the Chumash Heritage National Marine Sanctuary this month, following a decade of advocacy by supporters. The protected site will be finalized after a 45-day review period

The infant's skeleton was excavated in 1998 in a cave in Puglia.

New Research

An Ice Age Infant’s 17,000-Year-Old DNA Reveals He Had Dark Skin and Blue Eyes

The baby boy’s recovered genome suggests he’s related to a famous Ice Age population

The iridescent abdomen of a cuckoo wasp (Hedychrum gerstaeckeri) looks beautiful when viewed under a microscope.

See 15 Mesmerizing Photos of Hidden Scenes Only Visible Through a Microscope

Winners of the Nikon Small World Photomicrography Competition captured insects, cancer cells, cat claws and more

Researchers collect exhaled breath from a wild bottlenose dolphin during a health assessment conducted by the National Marine Mammal Foundation and its partners in Louisiana's Barataria Bay.

Scientists Have Found Microplastics in Dolphin Breath for the First Time

Each of the 11 dolphins sampled exhaled at least one suspected particle of microplastic, which researchers say “highlights how extensive environmental microplastic pollution is”

A great white shark known to researchers as "Koala" washed ashore on Cape Cod in Massachusetts earlier this week. Scientists are still trying to figure out why.

A Great White Shark Mysteriously Washed Ashore in Cape Cod, and Researchers Don’t Know Why

Authorities have not yet identified the cause of death for the 12.5-foot-long shark, which was named Koala

Scientists traced the history of AMY1, the gene that's responsible for the production of amylase, an enzyme that helps break down complex carbohydrates.

Can’t Get Enough Carbs? That Craving Might Have Started More Than 800,000 Years Ago

New research traces the genetic underpinnings of the enzyme amylase, which helps humans digest starches and sugars

The Perseid meteor shower over Inner Mongolia, China, on August 14, 2023. When a meteor falls to the ground, it's called a meteorite.

Astronomers Uncover the Origin of Most of Earth’s Meteorites, Shedding Light on Our Solar System’s Past

Prior to the new research, scientists had traced the source of just 6 percent of the known meteorites that fell on our planet

Oregon residents spotted a rare Arctic fox, which does not live in the region. Now, the animal is receiving care at a wildlife rehabilitation hospital.

Experts Don’t Know How This Mysterious White Fox Ended Up in Oregon, More Than 1,000 Miles Away From Home

Identified as an Arctic fox, the animal is believed to have been kept in captivity far from its native habitat in the tundra. Now, it’s receiving care from wildlife officials

The Orionids will be visible from both hemispheres, but they may be somewhat obscured by light from the moon.

How to Watch the Bright and Speedy Orionid Meteor Shower

While the Orionids, peaking early Sunday and Monday, might be hard to see because of the waning gibbous moon, these zippy meteors can produce long “trains” that last up to several minutes

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