If bacteria are in an environment that includes obstacles, which is often the case, they can easily become slowed or trapped. When a bacterium hits a roadblock, it can either slide along the surface ...

Classroom Experiment Shows How Fast Germs Spread P Philip Ellis He used a powder called Glo Germ, which, like real life germs, is invisible and spreads from surface to surface through contact. Unlike ...

Most people believe the toilet seat is the dirtiest spot at home, but that’s far from true. Orthopaedic surgeon Dr. Manan Vora highlights that everyday objects we touch frequently harbor far more ...

Bacteria that rarely tumble are likely to get trapped by obstacles, slowing dispersion. Bacteria that tumble frequently often “retrace their steps,” also slowing dispersion. Dispersion is maximized by ...