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Home»Posts tagged with»sharks

Study Negates Concerns Regarding Radioactivity in Migratory Seafood

By David Malmquist | Virginia Institute of Marine Science on Sep 1, 2017   At Sea, Featured, Health  

Study Negates Concerns Regarding Radioactivity in Migratory Seafood

When the Fukushima power plant released large quantities of radioactive materials into nearby coastal waters following Japan’s massive 2011 earthquake and tsunami, it raised concerns as to whether eating contaminated seafood might impair human health–not just locally but across the Pacific. A new study by an international research team shows that those concerns can now […]

Sonic Hedgehog Gene Provides Evidence that our Limbs may have Evolved from Sharks’ Gills

By Jennifer Hayward | University of Cambridge on Apr 20, 2016   Featured, Science/Education  

Sonic Hedgehog Gene Provides Evidence that our Limbs may have Evolved from Sharks’ Gills

Latest analysis shows that human limbs share a genetic programme with the gills of cartilaginous fishes such as sharks and skates, providing evidence to support a century-old theory on the origin of limbs that had been widely discounted. An idea first proposed 138 years ago that limbs evolved from gills, which has been widely discredited […]

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