Science & Technology News

DNA from Extinct Human Relative May Have Shaped Modern Papuans' Immune System

Scientifc America - Thu, 2022-12-08 14:00

DNA from Denisovans, an extinct human species, that was found in the genomes of Indigenous Papuans may mold their immune system

Deep Dive Ties Together Dog Genetics, Brain Physiology and Behavior to Explain Why Collies Are Different from Terriers

Scientifc America - Thu, 2022-12-08 11:00

A way to map the ancestry of dog breeds reveals the genetic basis of stereotypical dog behaviors

World's Oldest DNA Discovered, Revealing Ancient Arctic Forest Full of Mastodons

Scientifc America - Wed, 2022-12-07 13:45

Two-million-year-old DNA, the world's oldest, reveals that mastodons once roamed forests in Greenland’s far northern reaches

6 Weird and Wild Animal Behaviors Revealed in 2022

Scientifc America - Wed, 2022-12-07 07:00

Octopus outbursts, evading sexual cannibalism, and a human-cockatoo arms race—here are strange animal behaviors we learned about in 2022

Global Population Growth Is Slowing Down. Here's One Reason Why

Scientifc America - Wed, 2022-12-07 06:45

In 2022 the world’s population hit the eight-billion mark. But such milestones could top out by the end of the century

How Water Made Fire in an Indonesian Volcano

Scientifc America - Tue, 2022-12-06 16:30

Heavy rains may have set off an outpouring of ash and gases from Indonesia’s volcano Semeru “like uncorking a soda bottle”

The Linguistics of Swearing Explain Why We Substitute Darn for Damn

Scientifc America - Tue, 2022-12-06 16:15

Languages from Hindi to Korean tone down swear words by inserting gentler consonants into speech. Here’s how “Let’s go Brandon” got started

Astronomers Grapple with JWST's Discovery of Early Galaxies

Scientifc America - Tue, 2022-12-06 06:45

Researchers are convinced the James Webb Space Telescope has glimpsed an unexpected population of galaxies in the early universe. Now they’re trying to decide what this means for our understanding of the cosmos

On December 7 the Moon Will Photobomb Mars

Scientifc America - Wed, 2022-11-30 10:00

Much of North America can witness a delightful astronomical event on the evening of December 7 as the moon blocks out Mars

Is Our Universe a Hologram? Physicists Debate Famous Idea on Its 25th Anniversary

Scientifc America - Wed, 2022-11-30 06:45

The Ads/CFT duality conjecture suggests our universe is a hologram, enabling significant discoveries in the 25 years since it was first proposed

Mauna Loa, Earth's Largest Active Volcano, Just Woke Up after 38 Years

Scientifc America - Tue, 2022-11-29 10:45

Hawaii’s Mauna Loa, the largest active volcano on Earth, erupted for the first time in nearly 40 years. Its eruptions tend to be shorter-lived than those of the other Big Island volcanoes, and its lava is more liquid and flows faster

People with Bipolar Disorder Often Use Cannabis. It May Sometimes Help

Scientifc America - Tue, 2022-11-29 06:45

Diminished risk-taking behaviors and other benefits may explain why many people with bipolar disorder keep consuming cannabis despite some dire downsides

Outdoor Air Conditioning Cools the World Cup--But Is It Sustainable?

Scientifc America - Fri, 2022-11-25 08:00

In an ever warming world, the health benefits of stadium air-conditioning may not outweigh the climate risks

Satellite Constellations Could Harm the Environment, New Watchdog Report Says

Scientifc America - Thu, 2022-11-24 10:00

Elon Musk’s Starlink and other satellite sources of light pollution and orbital debris should face an environmental review, the U.S. Government Accountability Office finds

Three New Ebola Vaccines Will Soon Be Tested in Uganda

Scientifc America - Wed, 2022-11-23 12:00

Health care workers in Uganda will be among the first people to receive candidate Ebola vaccines in a clinical trial that could expand the available tools for the control of Sudan ebolavirus outbreak

Pregnancy Changes the Brain, Possibly Promoting Bonding with a Baby

Scientifc America - Wed, 2022-11-23 08:30

A woman during pregnancy shows changes in a key brain network that may be important for bonding with their child

 

Why 2 Is the Best Number and Other Secrets from a MacArthur-Winning Mathematician

Scientifc America - Tue, 2022-11-22 09:00

Mathematician Melanie Matchett Wood seeks creative ways of solving open math problems

Is a Diagnostic Test to Blame for Why We Know So Little about Autism in Girls?

Scientifc America - Tue, 2022-11-22 07:00

A standard diagnostic test may be one reason autism research includes so few female participants

Quantum Particles Aren't Spinning. So Where Does Their Spin Come From?

Scientifc America - Tue, 2022-11-22 06:45

A new proposal seeks to solve the paradox of quantum spin

Why Life Expectancy Keeps Dropping in the U.S. as Other Countries Bounce Back

Scientifc America - Mon, 2022-11-21 08:00

COVID cut average life spans short in many high-income countries, but the U.S. decline has been steeper and longer than most

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