Uncategorized

  1. Climate

    Solar geoengineering moves into the spotlight as climate concerns grow

    As global temperatures rise, scientists debate the pros and cons of solar geoengineering, a strategy to cool Earth by reflecting sunlight into space.

    By Carolyn Gramling
  2. Archaeology

    Ancient Arabian cymbals ring up Bronze Age musical connections

    Copper instruments discovered at a 4,000-year-old site in Oman echo ritual influences from South Asia.

    By Bruce Bower
  3. Plants

    Some tropical trees act as lightning rods to fend off rivals

    Though being struck by lightning is usually bad, the tropical tree Dipteryx oleifera benefits. A strike kills other nearby trees and parasitic vines.

    By Javier Barbuzano
  4. Planetary Science

    Check out some of the weird rocks that have turned up on Mars

    Some of the unusual rocks carry stories about water on Mars.