Hospitals clean with great attention to what organisms caused illness within that patient room. The pathogen could be a virus, a bacteria, a fungus,...
Today's trio of pathogens are stealthy, living on our bodies without causing us harm but wreaking havoc when they find a way inside a bacteria-free,...
It is estimated that there are 5×1030 bacteria on Earth. That's 5,000,000,000,000,000,000,000,000,000,000, or 5 nonillion. We have not even begun to...
Millions of American children have returned to school or will very soon, officially kicking off the academic year. Alongside the promise of learning...
Around 248 million years ago, a mass extinction wipes out most life on Earth. Half of all animal families become extinct. Almost every single marine...
Germ theory, the idea that infection is caused by microscopic organisms unseen to the naked eye, is only a few hundred years old. This theory focuses...