Performance pay programs designed by teachers, for teachers, tend to offer small incentives to a large number of teachers, new research indicates.
Other
Apr 6, 2009
1
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The breezes blowing across the shallow waters of the mid-Atlantic coast, including North Carolina, hold some of the nation's highest potential for harvesting wind energy, a new federal report says.
Energy & Green Tech
Apr 6, 2009
2
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(PhysOrg.com) -- Bananas are a staple crop of Rwanda. The fruit is eaten raw, fried and baked — it even produces banana beer and wine. Around 2 million tons are grown each year but the fruit is only a small percentage of ...
Energy & Green Tech
Apr 6, 2009
5
0
(PhysOrg.com) -- GOCE's sophisticated electric ion propulsion system has been switched on and confirmed to be operating normally, marking another crucial milestone in the satellite's post-launch commissioning phase.
Space Exploration
Apr 6, 2009
2
0
The latest data from NASA and the University of Colorado at Boulder's National Snow and Ice Data Center show the continuation of a decade-long trend of shrinking sea ice extent in the Arctic, including new evidence for thinning ...
Earth Sciences
Apr 6, 2009
43
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The legend is that the great rulers of Canaan, the ancient land of Israel, were all men. But a recent dig by Tel Aviv University archaeologists at Tel Beth-Shemesh uncovered possible evidence of a mysterious female ruler.
Archaeology
Apr 6, 2009
0
1
Scientists said a killer earthquake that struck central Italy on Monday occurred in a notorious trouble spot and warned further powerful shocks in the coming months could not be ruled out.
Earth Sciences
Apr 6, 2009
0
2
Researchers are reporting the first identification of a "magic potion" of proteins in the saliva of the black fly that help this blood-sucking pest spread parasites that cause "river blindness," a devastating eye-disease. ...
Biochemistry
Apr 6, 2009
0
0
Adults facing unexpected career changes, take note. Scientists from Brazil and Cuba are reporting that honey bees — a mainstay for behavioral research that cannot be done in other animals — change their brains before ...
Biochemistry
Apr 6, 2009
0
0
(PhysOrg.com) -- Saturn's largest moon, Titan, may have a subterranean ocean of hydrocarbons and some topsy-turvy topography in which the summits of its mountains lie lower than its average surface elevation, according to ...
Space Exploration
Apr 6, 2009
7
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