Forget GPS. With no fancy maps or even brains, immune system cells can solve a simple version of the traveling-salesman problem, a computational conundrum that has vexed mathematicians for decades. [partner id=âsciencenewsâ align=ârightâ]The new research, which simulates how a type of white blood cell seeks and destroys infectious particles, shows how living things â be [â¦] Forget GPS. With no fan
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