Uncategorized

  1. 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
  2. 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. One has hints of long-gone microbes. All tell of a dynamic, complex planet.

    By Lisa Grossman
  3. Health & Medicine

    How U.S. public health cuts could raise risks of infectious diseases

    Deep funding cuts and widespread layoffs impact everything from local public health outreach to global disease surveillance, making us more vulnerable, experts warn.