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Choreographer and gravity-junkie Elizabeth Streb pushes the boundaries of physicsâ€”with dance. Source: sciencefriday.com
Writing in the journal Science, researchers unveiled several studies of a 4.4-million-year-old fossil named Ardipithecus ramidus. Ian Tattersall, an anthropologist and curator at the American Museum Of Natural History, explains the significance of the finding.
In the traditional view of how signals travel in the brain, a portion of a neuron known as a dendrite acts as an input for stimuli, while the neuron's axon serves as a signal output. Nelson Spruston, author of an article in the journal Nature Neuroscience, says that the reality may be more complicated.Â» E-Mail ThisÂ Â Â Â Â» Add to Del.icio.us