The Secret That Botanists Are Keeping From The Public

With its small bright green leaves and dangling, pearl-white flowers, Raven's Manzanita is instantly recognizable—except that nobody sees it anymore. Botanists won't disclose the location of the last known wild specimen in California. They've concluded that secrecy is the best way to protect rare species. » 11/06/14 10:20am 11/06/14 10:20am

Nevermind Drought -- The Biggest Threat to Our Food Supply Is Fungus

Within 30 years, it's likely that farmers will be battling deadly crop pests that they've never seen before. Pests are evolving and entering new regions in greater numbers than ever — and our worst adversary is likely to be fungus, which could destroy whole harvests and wreak havoc with our food supplies. » 9/19/14 3:08pm 9/19/14 3:08pm

Bacteria-laced algae are invading freshwater streams across the globe

In the small, freshwater streams of South Dakota, a horrible menace is creeping along the rockbeds. Known as rock snot, it's a form of algae that clings to rocks and spreads rapidly until it takes over the entire ecosystem of the stream, often killing off local plants and microbes. The stuff has spread from North… » 6/07/11 5:00pm 6/07/11 5:00pm