Science Now

Science Now Discoveries from the world of science and medicine
Deep space travel might blow your mind, but it could be bad for your heart

Bad news would-be astronauts: Traveling into deep space could be bad for your heart.

In a study published Thursday in Scientific Reports, researchers found that astronauts who went to the moon were almost five times more likely to die of cardiovascular disease than astronauts who remained in low-Earth orbit on the International Space Station.

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Why is Jupiter extra-hot over the Great Red Spot? Scientists puzzle over superstorm

Scientists scanning Jupiter’s atmosphere have found a mysterious spike in temperature high above the Great Red Spot — that massive, swirling storm that has graced the planet’s face for centuries.

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Remember the Ice Bucket Challenge? It helped fund discovery of ALS-related gene

The ALS Assn. is crediting money raised through the Ice Bucket Challenge for the discovery of a gene's connection to the progressive disease.

Those who accepted the challenge allowed buckets of ice water to be dumped on their heads to raise awareness and money for ALS.

The challenge became a viral sensation in 2014 and raised $115 million for the association. Figures from the ALS Assn.

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Scientists find only one true wolf species in North America

How many species of wolves live in America? A new study suggests there is just one.

The new work, published Wednesday in Science Advances, finds that the gray wolf is the one true wolf in the United States. The red wolf, which lives in the Southern U.S., and the eastern wolf, now found primarily in central Ontario, are in fact coyote and gray wolf hybrids, the authors say.

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Are skin-cancer checks by doctors worth the trouble?

A federal task force that assesses the value of medical screening tests says it can't judge whether skin-cancer checks by dermatologists are worth the trouble for healthy Americans because good research on the practice is lacking.

The finding of the U.S.

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Could ice volcanoes explain Ceres' missing craters? Dwarf planet puzzles scientists

Sometimes it’s what’s missing that really stands out. Scientists using data from NASA’s Dawn mission have found that the dwarf planet Ceres seems to completely lack any giant impact craters, even though it has plenty at smaller sizes.

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