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Science Ticker

Ancient Mars had long-lasting lakes of liquid water

Rocks sampled by the Curiosity rover suggest that Gale Crater once contained liquid water lakes that endured for potentially thousands of years at a time, shown in this artist’s illustration.

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Large lakes once wet the Martian landscape for thousands of years at a time, new evidence suggests.

Last year, NASA scientists reported that Gale Crater, currently home to the Curiosity rover, was once filled with liquid water. Analyzing sediments and signs of erosion, Curiosity mission scientists report in the Oct. 9Science that ancient lakes on the Red Planet stuck around for at least 100 to 10,000 years.

While relatively short-lived by Earth standards, the lingering lakes potentially lasted long enough to support life, the researchers say.

Animals,, Evolution

Fish have had telescoping jaws for 100 million years

By Sarah Schwartz 12:45pm, October 8, 2015
Around 100 million years ago, fish developed a knack for extending their jaws to snare prey, and they’ve been perfecting this hunting technique ever since.
Health,, Neuroscience

Weight and sun exposure linked to onset of multiple sclerosis

By Sarah Schwartz 4:20pm, October 7, 2015
Among people with multiple sclerosis, those with higher body mass and lower adolescent sun exposure tended to be diagnosed with the disease at an earlier age, a new study suggests.
Genetics,, Chemistry,, Cancer

Chemistry Nobel honors studies of DNA repair mechanisms

By Sarah Schwartz 7:14am, October 7, 2015
Studies of DNA’s repair mechanisms have won Tomas Lindahl, Paul Modrich and Aziz Sancar the 2015 Nobel Prize in chemistry.
Particle Physics,, Cosmology

Discovery of neutrino mass earns 2015 physics Nobel

By Andrew Grant 6:41am, October 6, 2015
The discovery that subatomic particles called neutrinos have mass has won Takaaki Kajita of the University of Tokyo and Arthur McDonald of Queen’s University in Kingston, Canada, the 2015 Nobel Prize in physics.
Plants,, Animals,, Biophysics

Raindrops help pitcher plants trap dinner

By Sarah Schwartz 3:00pm, October 5, 2015
Pitcher plants use the force of falling raindrops to fling prey into their traps.
Plants,, Animals

Stinky seeds dupe dung beetles

By Sarah Schwartz 11:00am, October 5, 2015
Seeds that look and smell like animal poop can trick dung beetles into spreading and burying the seeds.
Health,, Biomedicine

Therapies against roundworm, malaria parasites win medicine Nobel

By Tina Hesman Saey 6:16am, October 5, 2015
The 2015 Nobel Prize in medicine or physiology was awarded to Youyou Tu for her work in counteracting malaria, and to William Campbell and Satoshi Omura for work on treatments against roundworm parasites.
Biomedicine,, Health

Sperm protein may offer target for male contraceptive

By Meghan Rosen 5:24pm, October 1, 2015
With the identification of a new sperm protein that helps sperm penetrate eggs, researchers may be closer to developing birth control pills for men.

Kavli Foundation gives more money for the brain

By Laura Sanders 5:01pm, October 1, 2015
The Kavli Foundation will provide $100 million toward solving the mysteries of the brain.

This may be the world's tiniest snail

By Helen Thompson 3:58pm, September 30, 2015
Tiny snail unearthed in China could be the world's smallest, researchers report.
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