When considering human impacts on earth systems, disturbance to the carbon cycle grabs the headlines. But another critically important earth process, the nitrogen cycle, has also seen major disruption from human activity.
When exposed to nitrogen fertilizer over a period of years, nitrogen-fixing bacteria called rhizobia evolve to become less beneficial to legumes - the plants they normally serve, researchers report in a new study.
A dinosaur tooth found in Malaysia is at least 140 million years old and belongs to a new species within the "bird-hipped" Ornithischian order, researchers said Thursday.
Under the rich Venezuelan soil, paleontologists have found treasures rivaling the bountiful oil: a giant armadillo the size of a Volkswagen, a crocodile bigger than a bus and a saber-toothed tiger.
A major new fossil site has been discovered by UNSW scientists beyond the boundaries of the famous Riversleigh World Heritage area in north-western Queensland.
(Phys.org) —Researchers have called for a system of carbon emission assessments that reflect better the true contribution of each emitting nation to the increase in atmospheric CO2 and promote preservation of forests, particularly ...
Australian builders doing roadworks have uncovered a rare urban trove of crocodile and other fossils thought to be around 50 million years old, officials said Tuesday.
The teeth of a kangaroo and other extinct marsupials reveal that southeastern Queensland 2.5-5-million-years ago was a mosaic of tropical forests, wetlands and grasslands and much less arid than previously thought. The chemical ...
(Phys.org)—A novel fabrication technique developed by UConn engineering professor Brian Willis could provide the breakthrough technology scientists have been looking for to vastly improve today's solar energy systems.
(AP)—Peru's government is taking steps to protect one of the world's largest fossil deposits from being damaged by this year's Dakar Rally, the Culture Ministry said Thursday.