Discover Magazine on MSN

Water Flows Beneath Yellowstone National Park, Sometimes Taking Decades to Reach a Geyser

Learn more about how researchers track water movement through a technique called fingerprinting at Yellowstone National Park.

Hydration — why it matters, how much you need and when to adjust

Urologist Dr. Jamin Brahmbhatt offers advice on how to follow simple, consistent habits to keep you hydrated and to monitor ...