When a stone sits on the Earth’s surface, cosmic rays quietly pepper it, leaving behind rare isotopes like tiny time stamps. Bury the stone deep enough, and that cosmic “printing press” shuts off.

Scientists showed in a new study published Thursday that they could use blood draws to build a "clock" for Alzheimer's ...

WashU researchers have created a model that can seemingly predict a person's symptoms of Alzheimer's within a few years.

Newly FDA-cleared blood tests are now making it easier for doctors to diagnose Alzheimer’s disease. But could a single blood test also predict when their symptoms will appear? | Newly FDA-cleared ...

Researchers at Washington University School of Medicine in St. Louis have developed a method to predict when someone is likely to develop symptoms of Alzheimer's disease using a single blood test. In ...

Daylight saving time is coming soon to push clocks forward. Here's when you'll lose an hour of sleep. (Adobe Stock).

February 18, 2026 - Plants don't just respond to light and water, they also run on an internal daily timekeeper known as the ...

Also known as “daylight savings time,” the biannual changing of the clocks always begins on the second Sunday in March and ends on the first Sunday of November. March 8 is the earliest possible date ...

Do you run on sunrise energy, high noon focus, or midnight creativity? Discover the science behind your unique ‘internal clock’ chronotype.

While the “biological clock” is usually associated with women, new national guidelines are showing it exists for men, too.

Categorizing people into just two groups — late and early risers — may be oversimplified when it comes to health and ...