Wow! mystery signal from space finally explained

(Phys.org)—A team of researchers with the Center of Planetary Science (CPS) has finally solved the mystery of the "Wow!" signal from 1977. It was a comet, they report, one that that was unknown at the time of the signal ...

Second contagious form of cancer found in Tasmanian devils

Transmissible cancers—cancers which can spread between individuals by the transfer of living cancer cells—are believed to arise extremely rarely in nature. One of the few known transmissible cancers causes facial tumours ...

Say hello to the toughest material on Earth

Scientists have measured the highest toughness ever recorded, of any material, while investigating a metallic alloy made of chromium, cobalt, and nickel (CrCoNi). Not only is the metal extremely ductile—which, in materials ...

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