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Tag Archives: crab

Listen as a ghost crab deterred enemies – its stomach growls science

Jennifer Taylor By David Shultz 10, 2019, 7:01 PM Apart from Disney's Sebastian and Tamatoa, crabs are not known for their acoustic abilities. The ghost cancer can change that. The crustaceans that live on the beach can produce noisy claws, not only with their claws, but also with their guts, as new research shows Atlantic coastal beaches of the United …

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The Crab Nebula slammed Earth with highest-energy gamma ray ever seen

This is a mosaic image, one of the largest ever taken by NASA's Hubble Space Telescope of the Crab Nebula, a 6-light-year-wide expanding remnant of a star's supernova explosion Space Telescope Science Institute / NASA / ESA / J. Hester / A. Loll (Arizona State University)                                                 [19455914] Around 7,500 years ago, a huge stellar explosion occurred in the Perseus Arm …

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The most energetic photons ever captured by the Crab Nebula

The Crab Nebula. Picture credits: NASA A very large research team working with several institutions in China and Japan has measured the highest ever measured energy photon. In their article, published in the journal Physical Review Letters the group describes their study of data from the Tibet Air Shower Gamma Collaboration and what they found. The Tibet Air Shower Gamma …

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The newly discovered Callichimaera perplexa is a delightful, strange crab

A newly discovered ancient species is forcing scientists to rethink what exactly is considered a crab. Photo credits: Oksana Vernygora / University of Alberta Yale University announced the discovery of a treasure trove of hundreds of well-preserved crab specimens. The fossils include species of real shrimp, prawn shrimp and exciting new branch of the evolutionary crab tree. The specimens were …

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Scientists discover beautiful nightmare crab with key-like claws, cartoonish eyes

Artistic reconstruction of Callichimaera perplexa. (Elissa Martin / Yale Peabody Museum of Natural History) Scientists have discovered a new species of crab that swam the sea 95 million years ago. The small crab in the pocket format Callichimaera perplexa was very different from its modern cousin. This crab had a tiny, lobster-like shell, legs that were like oars, and huge …

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Callichimaera perplexa, the strangest crab that ever lived

The prehistoric crab dates back to 95 million years ago, and scientists say it defies all normal crab traits. The new species, Callichimaera perplexa, has curved claws, large eyes without sockets, an exposed tail and mouth-like mouth parts. "We started to look at these fossils and found that they had the eyes of a larva, the mouth of a shrimp, …

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