Researchers calculated the optimal search strategy for organisms that employ run-and-tumble motion when looking for a food's odor. They determined that the chemotaxis demonstrated by E. coli closely ...

Bacteria in groundwater move in surprising ways. They can passively ride flowing groundwater. They can also actively move on their own in what scientists call "run and tumble" behavior. However, most ...

Tokyo, Japan – The aroma of a favorite dessert can tempt almost anyone to follow the scent. By moving in the direction of increasing smell, one can often locate the desired confection. It turns out ...