Vaccination, masks and physical distancing help limit the spread of COVID-19—but, researchers say, the disease is still going to infect people, and doctors are still going […]
On a microscopic level, humans face an existential threat every day. All sorts of tiny pathogens, like bacteria and viruses, work constantly to get inside our […]
Within just a few generations, human sperm counts may decline to levels below those considered adequate for fertility. That’s the alarming claim made in epidemiologist Shanna […]