In a new book, Dr. Mary-Frances O’Connor explores the ways grief affects the body, from the heart to the immune system.

“Sometimes redundancy has a way of showing up under certain conditions; they’re not truly redundant,” said Michael Snyder, ...

Researchers at University of Galway have created the world's largest collection of digital microbes—nearly a quarter million ...

When you’re low, you may experience adverse symptoms like a headache, dehydration, or mental confusion. Here’s how to tell if you’re low on electrolytes and what to do.

We've also tried to select relatively small cameras so they don't interfere with your trip, though it's worth touching briefly on lens size. If you choose a system with a Four Thirds or APS-C sensor, ...

Scientists explore how the immune and nervous systems constantly communicate, influencing brain diseases, behavior, and ...

Darwin's theory of natural selection provides an explanation for why organisms develop traits that help them survive and reproduce. Because of this, death is often seen as a failure rather than a ...