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This touchless gear system uses fluid dynamics to transfer power and rotation without any teeth

For five millennia, human civilization has progressed on the back of a simple yet rigid idea: the gear. From the chariot ...

College football transfer portal recap: Everything you need to know about the flurry of movement

With thousands more players in the portal than previous seasons, here are some of the key things to know as transfer season ...

How actin wavefronts rescue T cell receptors from endocytosis

Every time our body encounters a new disease-causing agent, a crucial defense system called adaptive immunity comes into play ...