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Cosmic rays help supernovae explosions pack a bigger punch The final stage of cataclysmic explosions of dying massive stars, called supernovae, could pack an up to six times bigger punch on the surrounding interstellar gas with the help of cosmic rays, according to a new study.

First 3D simulation of rat's complete whisker system acts as a tactile 'camera': Model gives rare insight into how rats use whiskers to actively sense their natural environments Engineers have developed the first full, three-dimensional (3D), dynamic simulation of a rat's complete whisker system, offering rare, realistic insight into how rats obtain tactile information.