Sterling Grogan explains the dificulties of getting rid of salt cedar during a tour of a bosque in Albuquerquem N.M. Larger image AP

Scientists battle invasive salt cedar

SAN ACACIA, N.M. — An army of water-sucking soldiers is marching along the banks of nearly every waterway in the West.

The soldiers — with their skinny leaves and non-nutritious seeds — have invaded more than 1 million acres of river and stream banks in New Mexico, Texas and more than a dozen other arid states, pushing out native plants, birds and other wildlife, and sucking dry already dwindling water supplies. [ FULL STORY ]

JOSHUA COLWELL
Europa's Ice-Capped Ocean

Some planetary scientists believe that the most likely harbor for life elsewhere in the solar system is not on Mars, but on Europa, the cold and forbidding moon of Jupiter.

GREEN LIVING: Air pollution and asthma

Dear Green Living: What effects does air pollution have on asthmatics?

SCIENCE PROFILE: Warning coordinator depends on people for safety planning

Job: Warning coordination meteorologist for the National Weather Service in Boulder.

Science notebook

Weather predictions just got a boost from a new weather computer model developed by researchers at Boulder's National Oceanic and Atmospheric Administration.

World of wonder

The beautiful early-blooming Pasque Flower (Easter Flower, Pulsatilla ludoviciana, formerly Anemone patens) changes dramatically in appearance as it matures. In the forests near Boulder, the plant is now displaying its prominent feathery styles and looks like a shaggy head of hair blowing in the wind. Closer to treeline, the plant is yet to open its lavender flowers.

FDA to OK Drugs Using Animal Data

Uninsured May Spread Bioterror Germs

Anthrax Vaccination Policy Reviewed

Civilians to Get Anthrax Shot Supply

Magnesium Sulfate Prevents Eclampsia

Study: RNs Save More Lives

More Zyprexa Tampering Cases Found

Hepatitis, Nerve Woes Link Disputed

Palm Lowers Revenue Outlook

Hackers Crack Copy Protection CDs

Microsoft, SEC Reportedly Negotiating

Bush Criticized on Digital Divide

EU Panel OKs Privacy Rules

Frontier Withdraws Hotwire Complaint

Amazon.com Adds Restaurants to Mix