Memory is foundational to our human experience. By tracking and storing our experiences, it helps us navigate the world and ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. How many bacteria live on a subway seat? What about on your wallet? In ...

An experiment exploring how mouthwash interacts with germs and what really happens at a microscopic level.#Science ...

Escherichia coli (E. coli) are mostly harmless bacteria that live in the intestines of animals and humans. They are the most ...

It took two scientists decades to find a new nitrogen-fixing organelle. It could change the future of sustainable agriculture ...

Researchers from Skoltech and other science centers in Russia have developed a reporter system—a tool for screening potential ...

If you were asked to name the germiest surface in your bathroom, you might say it’s the toilet seat, or even the toilet flush lever. And they certainly do contain germs. But there’s another surface ...

As flowers bloom and temperatures climb, many are eager to get back outside. But while the Sun may be shining, there is a dark side that can make the great outdoors not so great. Gangs of germs are ...

Before germs were first spied under a microscope by Robert Koch, a doctor from East Prussia, catching colds was blamed on evil spirits, foul weather, and medical enigmas such as blood impurities. Koch ...

Today, it is hard for us to fully appreciate the great revolution in medicine known as “germ theory” and the role that animal research played in its development. It seems impossible that people once ...