Science

Crown of thorns starfish can be eaten alone and at home

[ad_1] Of ARC Center of Excellence for Coral Reef Studies of Excellence for Coral Reef Studies November 4, 2020 A close up of a crown of thorns starfish. The creatures eat Acropora corals until they are actually homeless. Credit: Morgan Pratchett A world-first study of the Great Barrier Reef shows …

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Spider silk is stronger than steel. It also mounts itself.

[ad_1] Fortunately for spiders, millennia of evolution have made spidroins versatile. Proteins, Dr. Rising explained, are structured like rockers: a long messy rope covered at each end by a bolt-like blob. In the silk glands, these rockers are thought to naturally mate at one end, creating V-shaped duets that move …

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Ancient remains in Peru reveal a big game hunter

[ad_1] That discovery was particularly exciting. One of his collaborators kept finding bullet points, Dr. Haas said, and then a collection of points and other stone tools, with the remains of a skeleton. The excavator group was thrilled, he said, and the gist of the conversation was, “Oh, he must …

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