News tagged with field experiment
Deterring signals: Tobacco plants advertise their defensive readiness to attacking leafhoppers
Following herbivory, plants produce jasmonic acid, a hormone which activates several plant defense reactions. Scientists found that leafhoppers can evaluate whether tobacco plants are ready for defense when attacked. If jasmonate-signaling ...
May 23, 2012 |
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Eye on ionization: Visualizing and controlling bound electron dynamics in strong laser fields
(PhysOrg.com) -- Subatomic events can be remarkably counterintuitive. Such is the case in theoretical physics when, under certain specific conditions, atoms exposed to intense infrared laser pulses remain ...
Oct 19, 2011 |
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NASA research offers new prospect of water on Mars
(PhysOrg.com) -- NASA scientists are seeing new evidence that suggests traces of water on Mars are under a thin varnish of iron oxide, or rust, similar to conditions found on desert rocks in California's Mojave ...
Space & Earth / Space Exploration
Jul 02, 2011 |
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Earth's outer core deprived of oxygen: study
The composition of the Earth's core remains a mystery. Scientists know that the liquid outer core consists mainly of iron, but it is believed that small amounts of some other elements are present as well. Oxygen ...
Space & Earth / Earth Sciences
Nov 23, 2011 |
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Levitating magnet may yield new approach to clean energy
(PhysOrg.com) -- A new experiment that reproduces the magnetic fields of the Earth and other planets has yielded its first significant results. The findings confirm that its unique approach has some potential ...
Jan 24, 2010 |
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Robosquirrels versus rattlesnakes
Robot squirrels from the University of California, Davis, are going into rattlesnake country near San Jose, continuing a research project on the interaction between squirrels and rattlesnakes.
Apr 03, 2012 |
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Scientists get bird's-eye view of how cuckoos fool their hosts (w/ Video)
Using field experiments in Africa and a new computer model that gives them a bird's eye view of the world, Cambridge scientists have discovered how a bird decides whether or not a cuckoo has laid an egg in ...
Apr 26, 2010 |
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Earth is getting fatter
Like many of its inhabitants, the Earth is getting thicker around the middle -- that's what a new study out this week says. The increased bulge is due to the melting of the Greenland and Antarctic ice sheets.
Space & Earth / Earth Sciences
Jul 28, 2011 |
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First-of-its-kind fluorescence map offers a new view of the world's land plants
(PhysOrg.com) -- Scientists from NASA's Goddard Space Flight Center in Greenbelt, Md., have produced groundbreaking global maps of land plant fluorescence, a difficult-to-detect reddish glow that leaves emit ...
Space & Earth / Earth Sciences
Jun 06, 2011 |
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Glow-in-the-dark millipede says 'stay away'
As night falls in certain mountain regions in California, a strange breed of creepy crawlies emerges from the soil: Millipedes that glow in the dark. The reason behind the glowing secret has stumped biologists ...
Sep 26, 2011 |
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QUIET team to deploy new gravity-wave probe in June
A tiny fraction of a second following the big bang, the universe allegedly experienced the most inflationary period it has ever known.
May 15, 2009 |
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New study shows how integrated institutions can lead diverse populations to cooperate in rebuilding countries
(PhysOrg.com) -- One of the most pressing issues in world affairs today is state building: how countries can construct stable, inclusive governments in which a variety of religious and ethnic groups coexist.
Other Sciences / Social Sciences
Dec 09, 2011 |
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Global warming may affect the capacity of trees to store carbon, study finds
One helpful action anyone can take in response to global warming is to plant trees and preserve forests. Trees and plants capture carbon dioxide during photosynthesis, thereby removing the most abundant greenhouse ...
May 25, 2011 |
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Insect eyes inspire improved solar cells
(PhysOrg.com) -- The eyes of moths, which allow them to see well at night, are also covered with a water-repellent, antireflective coating that makes their eyes among the least reflective surfaces in nature ...
Jan 20, 2011 |
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Refining atmospheric climate models
(PhysOrg.com) -- A long, frustrating search for the source of "extra" aerosols seen in field experiments but not in models might have come to an end when scientists at Pacific Northwest National Laboratory ...
Space & Earth / Earth Sciences
Feb 01, 2011 |
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