New ‘light meter’ discovered in the eye

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The cornea is a light-sensitive tissue, according to new research. The findings add to past work proving the retina senses light as part of its role in synchronizing our body clocks to Earth’s cycle of...

Mysterious Ripples Found Racing Through Planet-forming Disc

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Using images from ESO’s Very Large Telescope and the NASA/ESA Hubble Space Telescope, astronomers have discovered never-before-seen structures within a dusty disc surrounding a nearby star. The fast-moving wave-like features in the disc of...

Your ‘mind’s eye’ can make its own decisions

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The part of the brain responsible for seeing can essentially make decisions just like the brain’s traditional “higher level” areas. Neuroscientists say it’s a surprising discovery that could help unlock the brain’s secrets. “As a field,...

‘Tree of life’ links birds to 3 dinosaur lineages

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Cardinals and woodpeckers evolved from a hawk-like ancestor and most of the world’s water birds also appear to be a close-knit group, indicating one avian lineage quickly adapted to aquatic environments after most of...

Scientists grow sweet potatoes in Martian greenhouse

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In the new movie The Martian, botanist Mark Watney (played by Matt Damon) is stranded on Mars. The only way to survive is to figure out how to grow potatoes on the freeze-dried planet. In...

El Niño heat sets off waves of dengue fever

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New research shows that epidemics of dengue—caused by a mosquito-borne virus—across southeast Asia appear to be linked to the abnormally high temperatures brought by the El Niño weather phenomenon. Now, as the most intense El...

Timelapse from space reveals glacier in motion

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Animations that compress 25 years of satellite images into just one second reveal the complex behaviour and flow of glaciers in the Karakoram mountain range in Asia. Frank Paul, a glaciologist at the University of...

Index ranks planet’s potential for alien life

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Astronomers have created a “habitability index” to compare and rank exoplanets to help prioritize which of the thousands discovered warrant close inspection in the search for life beyond Earth. “Basically, we’ve devised a way to...

Mammoth found on Michigan farm was likely butchered

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An ancient mammoth found this week in a farmer’s field in Michigan could push back the date for human habitation in the region. Paleontologists recovered about 20 percent of the animal’s bones, including the skull and two tusks,...

Can one gene predict a soldier’s suicide risk?

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The statistics are grim: Veterans of the conflicts in Iraq and Afghanistan have a 41 to 61 percent higher risk of suicide than the general US population. The risk is far higher than what veterans...
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