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Tuesday, June 25, 2019

Latest from Science News: Dried Earth microbes could grow on Mars with just a little humidity

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06/25/2019

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News in Brief

Dried Earth microbes could grow on Mars with just a little humidity

Jun 25 2019 6:00 AM

Showing that salt-loving bacteria can double their numbers after absorbing damp air has implications for life on other planets.

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3-D mammograms are popular, but are they better than 2-D?

Jun 24 2019 12:09 PM

The use of digital breast tomosynthesis, a newer breast cancer screening technology with limited evidence, has risen in recent years.

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Gut microbes might help elite athletes boost their physical performance

Jun 24 2019 11:00 AM

Veillonella bacteria increased in some runners' guts after a marathon, and may make a compound that might boost endurance, a mouse study suggests.

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Capuchin monkeys' stone-tool use has evolved over 3,000 years

Jun 24 2019 11:00 AM

A Brazilian archaeological site reveals capuchins' long history of practical alterations to pounding implements, researchers say.

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The highest-energy photons ever seen hail from the Crab Nebula

Jun 24 2019 7:00 AM

An experiment in Tibet spotted photons with over 100 trillion electron volts of energy.

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New approaches may help solve the Lyme disease diagnosis dilemma

Jun 23 2019 7:00 AM

Lyme disease is hard to detect, but scientists are investigating new diagnostic approaches.

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Parasites ruin some finches' songs by chewing through the birds' beaks
Jun 21 2019 11:39 AM

Parasitic fly larvae damage the beaks of Gal��pagos finches, changing their mating songs and possibly causing females to pick males of a different species.

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The cosmic 'Cow' may be a strange supernova
Jun 21 2019 10:54 AM

New observations suggest the strange bright burst called the 'Cow' was a supernova, rather than a shredded star.

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How NASA's portable atomic clock could revolutionize space travel
Jun 21 2019 7:00 AM

An atomic clock designed to enable self-driving spaceships and GPS-like navigation on other planets is about to take a yearlong test flight.

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Lost wallets are more likely to be returned if they hold cash
Jun 20 2019 3:45 PM

Worldwide, return rates of lost wallets goes up as the money inside increases, contradicting the idea that people act in their own self-interest.

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News in Brief
U.S. honeybees had the worst winter die-off in more than a decade
Jun 20 2019 3:02 PM

Colonies suffered from parasitic, disease-spreading Varroa mites. Floods and fire didn't help.

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The world's fisheries are incredibly intertwined, thanks to baby fish
Jun 20 2019 2:00 PM

A computer simulation reveals how one nation's management of its fish spawning grounds could significantly help or hurt another country's catch.

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News in Brief
Mice and bats' brains sync up as they interact with their own kind
Jun 20 2019 11:00 AM

The brain activity of mice and bats aligns in social settings, a coordination that may hold clues about how social context influences behavior.

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DNA confirms a weird Greenland whale was a narwhal-beluga hybrid
Jun 20 2019 9:00 AM

DNA analysis of a skull indicates that the animal had a narwhal mother and beluga father.

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50 Years Ago
50 years ago, bulletproof armor was getting light enough to wear
Jun 20 2019 7:00 AM

In 1969, bulletproof armor used boron carbide fibers. Fifty years later, bulletproof armor is drastically lighter and made from myriad materials.

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Cold War-era spy satellite images show Himalayan glaciers are melting fast
Jun 19 2019 2:00 PM

Declassified spy satellite photographs reveal that glacier melt in the Himalayas has sped up dramatically in the last two decades.

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