Like a shadowy character just hidden from view, a mystery atom in the middle of a complex enzyme called nitrogenase had long hindered scientists' ability to study the enzyme fully.
Materials Science
Nov 17, 2011
1
0
(PhysOrg.com) -- In order to separate human-caused global warming from the "noise" of purely natural climate fluctuations, temperature records must be at least 17 years long, according to climate scientists.
Earth Sciences
Nov 17, 2011
7
0
The UN weather agency said on Thursday that La Nina, a phenomenon linked to flooding and drought, had re-emerged in the tropical Pacific since August but its impact is expected to be weaker this time.
Environment
Nov 17, 2011
0
0
The Pentagon on Thursday held a successful test flight of a flying bomb that travels faster than the speed of sound and will give military planners the ability to strike targets anywhere in the world in less than a hour.
Engineering
Nov 17, 2011
180
0
Vultures in South Asia were on the brink of extinction until Lindsay Oaks and Richard Watson, from The Peregrine Fund in the US, undertook observational and forensic studies to find out why the number of birds was falling ...
Ecology
Nov 17, 2011
0
0
Many landscape trees are started in-ground, then sold as bare-root ''liners'' to producers who plant them in large containers to grow. To minimize wind damage and to facilitate transport from potting areas to growing beds, ...
Ecology
Nov 17, 2011
0
0
A new, unprecedented national survey of African American Catholics by University of Notre Dame researchers reveals several significant insights into individual religious engagement and identifies several notable demographic ...
Social Sciences
Nov 17, 2011
0
0
(PhysOrg.com) -- A cosmic one-two punch of colossal volcanic eruptions and meteorite strikes likely caused the mass-extinction event at the end of the Cretaceous period that is famous for killing the dinosaurs 65 million ...
Earth Sciences
Nov 17, 2011
11
2
After last year's rollercoaster ride, the job market for college graduates has settled down and appears braced for slow but steady growth, according to Michigan State University's annual Recruiting Trends study.
Economics & Business
Nov 17, 2011
0
0
Organisms living on small islands are particularly threatened by extinction. However, data are often lacking to objectively assess these threats. A team of German and British researchers used satellite imagery to assess the ...
Ecology
Nov 17, 2011
0
0
