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Physicist describes the shape of a wormhole

A RUDN physicist demonstrated how to describe the shape of any symmetrical wormhole—a black hole that theoretically can be a kind of a portal between any two points in space and time—based on its wave spectrum. The research ...

date23 hours ago in Quantum Physics
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Arctic greening thaws permafrost, boosts runoff

A new collaborative study has investigated Arctic shrub-snow interactions to obtain a better understanding of the far north's tundra and vast permafrost system. Incorporating extensive in situ observations, Los Alamos National ...

date16 hours ago in Environment
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Taking steps toward a wearable artificial kidney

There just aren't enough kidney transplants available for the millions of people with renal failure. Aside from a transplant, the only alternative for patients is to undergo regular dialysis sessions to clear harmful cellular ...

date21 hours ago in Bio & Medicine
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Plant hormone makes space farming a possibility

With scarce nutrients and weak gravity, growing potatoes on the moon or on other planets seems unimaginable. But the plant hormone strigolactone could make it possible, plant biologists from the University of Zurich have ...

Peru in danger of losing its national cinchona tree

Pre-Columbian people used its bark as a medicine while South American liberator Simon Bolivar adopted it in Peru's coat of arms, but the cinchona tree is facing a battle for survival as vast swathes of forest are chopped ...

Mass tourism sparks battle for Montmartre's soul

Inside a dark, low-ceilinged room once frequented by Picasso and Modigliani when they were still struggling artists, a group of tourists from Russia, Canada and Australia are listening to traditional French songs.

Legal cannabis vs. black market: Can it compete?

The Oct. 17 launch of legal recreational cannabis in Canada brings many challenges. Retailers are now worrying about possible product shortages or web site glitches. Governments are still debating how to handle amnesties, ...

How drug resistant TB evolved and spread globally
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