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The Science of Speciation – Molecular Adaptation in Vampire Bats

“You can smell the ammonia as soon as you come in.” “See them? Neat, eh?” “Yeah. Those are vampire bats?” “These are vampire bats, yeah.” Nancy Simmons (AMNH): There are 1,300 living species of bats. That is about 20% to 22% of all living mammals. “It’s this one here.” “Oh-ho, there’s a bat.” We think […]

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Cellular and Molecular Mechanisms that Differentiate Human and Non-Human Neural Development

(piano music) – [Narrator] We are the paradoxical age. Bipedal, naked, large-brained. Alone the master of fire, tools, and language. But still trying to understand ourselves. Aware that death is inevitable, yet filled with optimism. We grow up slowly. We hand down knowledge. We empathize and deceive. We shape the future from our shared understanding […]

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Theories of Biological Evolution | Evolution Part 3 | Biology Class 12 | HINDI

The topic of this presentation is theories of biological evolution. First of all we will discuss Lamarckism. Lamarck discussed theory of inheritance of acquired characters in detail in his book Philosphie Zoologique. Two main points of this theory are – use and disuse of organs and inheritance of acquired characters. Use and disuse of organs […]

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Computational Biology: From Genotype to Phenotype – Teresa Przytycka, NIH Scientist

>>My name is Teresa Przytycka, and I am a senior investigator here at National Center for Biotechnology Information. My group is a purely computational group. We don’t do any wet lab experiments, but rather we do experiment with computers. We collaborate a lot with experimental biologists here at NIH, and actually one of the main […]

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