Features1827 articles archived since 1845

6 Steps to Take to Preserve Water

Policymakers need to figure out how to supply water without degrading the natural ecosystems that provide it.

20 Questions: Freshwater

Test your knowledge about water and its use

Get Involved in Freshwater Conservation

Freshwater Conservation: Drip by Drip

Spying on the Spies [Slide Show]

State Department shows off Cold War-era electronic eavesdropping gadgets

Is It Time to Give Up on Therapeutic Cloning? A Q&A with Ian Wilmut

The creator of Dolly the sheep has ended his focus on somatic cell nuclear transfer, or cloning, in favor of another approach to create stem cells

The Wolf and the Moose: Natural Enemies That Need Each Other

Landmark project celebrates 50 years of tracking wolves and moose on a protected archipelago in Michigan's Lake Superior

Living with Cancer: Kris Carr's Story

A photographer and actress is diagnosed with tumors in her liver and lungs, but keeps her spirits up and taps resources to make the disease manageable

Living with Cancer: Eight Things You Need to Know

Wireless Device Helps Illuminate the Role of Light on Human Health

Researchers are testing a small, ear-mounted meter to help gauge exposure to light

Dark Knight Shift: Why Batman Could Exist--But Not for Long

Q&A with movement researcher E. Paul Zehr

Tunguska--100 Years Later [Slide Show]

What happened on June 30, 1908 in central Siberia? Was the atomic bomb–size airburst caused by antimatter? An extraterrestrial spacecraft? A wayward black hole?

A Case for No-Till Farming

The slow pace at which soil rebuilds makes its conservation essential

The Tunguska Mystery--100 Years Later

Finding a piece of the elusive cosmic body that devastated a Siberian forest a century ago could help save Earth in the centuries to come

Our Eyes on Mars: How the Phoenix Lander Sees

A Q&A with an engineer who helped design the camera now imaging the surface of the Red Planet