Wildfires are burning more land in some regions due to climate, fire suppression history, and where people live—but global burned area is actually falling.
Frequent UTIs often come down to biology, not hygiene. Learn how genetics, estrogen, and bacteria behavior can make some people more prone to repeat infections.
Some viruses don't destroy cells right away — they hide inside DNA and wait. Here's what lysogeny means and why it matters for bacteria and human health.
Babies smile at almost everyone in their first months, but that changes around 6–9 months. Here's the science behind why, and what it means for development.