News articles tagged with 'sunlight'
Whiter clouds could mean wetter land
— 29 Jun 2010 09:50 | EnvironmentOne proposed emergency fix to halt global warming is to seed clouds over the ocean to make them more reflective, reducing the solar radiation absorbed by the Earth. But the scheme could…
Researchers create highly absorbing, flexible solar cells with silicon wire arrays
— 17 Feb 2010 13:38 | TechnologyUsing arrays of long, thin silicon wires embedded in a polymer substrate, a team of scientists from the California Institute of Technology (Caltech) has created a new type of flexible…
Bringing solar power to the masses
— 6 Aug 2009 09:28 | TechnologyOn a 104-degree Friday in July when sunlight bathed The University of Arizona campus, doctoral student Dio Placencia sat before a noisy vacuum chamber in the Chemical Sciences Building…
Under a cloud - darkness linked to 'brain drain' in depressed people
— 28 Jul 2009 09:50 | HealthA lack of sunlight is associated with reduced cognitive function among depressed people. Researchers writing in BioMed Central's open access journal Environmental Health used weather…
Spring cold snap helps with stream ecosystem research
— 24 Jul 2009 20:01 | EnvironmentA rare April freeze in 2007 provided researchers at the Department of Energy's Oak Ridge National Laboratory with further evidence that climate change could have negative effects on…
Global sunscreen won't save corals
— 17 Jun 2009 02:04 | EnvironmentEmergency plans to counteract global warming by artificially shading the Earth from incoming sunlight might lower the planet's temperature a few degrees, but such 'geoengineering' solutions…
Our planet's ten major rivers in the focus of research
— 28 May 2009 13:17 | EnvironmentThe Faculty of Biosciences at the University of Helsinki includes a project focusing on the ten major rivers in the world. Academy Research Fellow Anssi Vaehaetalo's group addresses…
Structure of efficient light harvesting antenna in green bacteria determined
— 13 May 2009 10:58 | BiologyAn international team of scientists has resolved the structure of chlorophyll in chlorosomes of green bacteria. Chlorosomes are the light harvesting antennae of these bacteria. They…
Plants absorb more carbon under hazy skies
— 23 Apr 2009 12:34 | EnvironmentPlants absorbed carbon dioxide more efficiently under the polluted skies of recent decades than they would have done in a cleaner atmosphere, according to new findings published this…
Atmospheric engineering scheme to combat global warming could diminish solar power
— 20 Apr 2009 10:15 | TechnologyA widely discussed 'atmospheric engineering' scheme intended to combat global warming could have unanticipated consequences in reducing the effectiveness of certain kinds of solar power…