A Clockwork Naturalist
Biologist-in-training, alien of letters.
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ScienceDaily (Oct. 4, 2011) — A study into the muscle development of several different fish has given insights into the genetic leap that set the scene for the evolution of hind legs in terrestrial animals. This innovation gave rise to the tetrapods — four-legged creatures, and our distant ancestors — that made the first small steps on land some 400 million years ago. [full story]
(Credit: Cole et al., PLoS Biology, DOI: 10.1371/journal.pbio.1001168)
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¡Piraña!
They were so still in the water, they didn’t seem real.
Taken by chimaeriste, New York Aquarium, Coney Island, NY April 30, 2011.
