Posts Tagged ‘biogeochemistry’
Waterways a haven for nitrous oxide
MICHIGAN STATE (US) — Nitrous oxide, a potent greenhouse gas, has increased by more than 20 percent over the last century, partially fueled by nitrogen in waterways. Continue…
Tuesday, December 21, 2010 14:45 - 0 Comments
Earth & Environment - Dec 8, 2010 12:16 - 1 Comment
Heat helped hasten life’s beginnings
UNC CHAPEL HILL (US) — The time required for evolution on a warm earth is shorter than previously thought, according to new research investigating the effect of temperature on extremely slow chemical reactions. (more…)
Science & Technology - May 25, 2010 10:31 - 0 Comments
Team takes temperature of extinct vertebrates
CALTECH (US)—Was Tyrannosaurus rex cold-blooded? Did birds regulate their body temperatures before or after they began to grow feathers? Through analysis of rare isotopes in the bones, teeth, and eggshells of large extinct vertebrates, a research team has taken a critical step toward answering such questions. (more…)
Earth & Environment - Dec 17, 2009 12:27 - 1 Comment
Arctic rivers as climate change forecasters
TEXAS A&M (US)—Scientists may be able to gauge the effects of climate change in the polar regions by monitoring bacterial communities in six large Arctic rivers, new research shows. (more…)
Earth & Environment - Jul 10, 2009 14:36 - 0 Comments
Across the globe, fertilizing crops in the extreme
The environmental consequences of using inorganic fertilizers have persisted in the United States, says Laurie Drinkwater, an agroecologist who studies the Mississippi River Basin.
