Latest Stories

Science, Tech & Environment

From napalm to nature: How the bald eagle helped turn a weapons factory into a wildlife refuge

The Rocky Mountain Arsenal Wildlife Refuge, outside of Denver, didn't start out as a conservationist’s dream: During World War II, the army built a chemical weapons factory on that spot. The plant produced mustard gas, napalm — an entire arsenal of deadly chemicals. Now it’s one of the largest wildlife sanctuaries in the country.

Health & Medicine

Is marijuana really an effective drug? Surprisingly, scientists have no solid answer

The movement to legalize marijuana for medical use continues to gain momentum in the US. Twenty-three states and the District of Columbia have approved marijuana for medical use and a handful of states allow recreational use of the drug. As the debate continues, one surprising fact emerges: There is no strong scientific evidence to support the arguments of either side.