Archive: 19/10/2009

Killer algae a key player in mass extinctions

Algae, not asteroids, were the key to the end of the dinosaurs, say two Clemson University researchers. Geologist James W. Castle and ecotoxicologist John H. Rodgers have published findings that toxin producing algae were ...

dateOct 19, 2009 in Earth Sciences
shares0 comments 4

Understanding Why Rye Works as a Cover Crop

(PhysOrg.com) -- Agricultural Research Service (ARS) scientists may soon find a way to enhance the weed-killing capabilities of a cereal grain that enriches the soil when used as a winter cover crop.

dateOct 19, 2009 in Environment
shares0 comments 0

X-Ray Jets from Galaxies

(PhysOrg.com) -- Some dramatic galaxies eject gigantic, collimated jets of ionized gas millions of light-years long, powered by the massive black holes at their centers. The ionized jets are detected at radio wavelengths, ...

dateOct 19, 2009 in Astronomy
shares0 comments 1

Catching a killer one spore at a time

A workshop at the Smithsonian Tropical Research Institute in Panama has dramatically improved the ability of conservationists and regulatory agencies to monitor the spread of chytridiomycosis—one of the deadliest frog diseases ...

dateOct 19, 2009 in Plants & Animals
shares0 comments 0