News tagged with photosynthetic algae
Research shows how life might have survived 'snowball Earth'
Global glaciation likely put a chill on life on Earth hundreds of millions of years ago, but new research indicates that simple life in the form of photosynthetic algae could have survived in a narrow body ...
Space & Earth / Earth Sciences
Oct 11, 2011 |
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Outsmarting algae -- Scientist finds the turn-off switch
Algaecide is no crime. Consider that some strains of algae produce toxins lethal to wildlife, fish and plants. Even the less harmful varieties suck oxygen out of water, suffocating living creatures in lakes, ponds, pools ...
Sep 13, 2011 |
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Deep-sea algae may be 'living fossils'
(PhysOrg.com) -- Researchers in the US and Belgium say two types of deep-sea seaweed may be representatives of ancient forms of algae previously unrecognized.
Nov 19, 2010 |
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A cleaner way to unlock energy: microbes for biofuel
Algae and photosynthetic bacteria hold a hidden treasure – fat molecules known as lipids – which can be converted to renewable biofuels. Such microorganisms offer an attractive alternative to the ...
Oct 06, 2010 |
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New study sheds light on corals' susceptibility to temperature change
An international team of marine biologists has found that existing diversity in some coral populations may significantly influence their response to extreme temperature disturbances — such as those predicted from climate ...
May 05, 2010 |
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Deep sedimentation of acantharian cysts -- a reproductive strategy?
Spore-like reproductive cysts of enigmatic organisms called acantharians rapidly sink from surface waters to the deep ocean in certain regions, according to new research. Scientists suspect that this is part of an extraordinary ...
Space & Earth / Earth Sciences
Mar 08, 2010 |
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Diversity of Corals, Algae in Warm Indian Ocean Suggests Resilience to Future Global Warming
(PhysOrg.com) -- Penn State researchers and their international collaborators have discovered a diversity of corals harboring unusual species of symbiotic algae in the warm waters of the Andaman Sea in the ...
Feb 15, 2010 |
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Golden Oldie: Key Role for Ancient Protein in Algae Photosynthesis
The discovery that an ancient light harvesting protein plays a pivotal role in the photosynthesis of green algae should help the effort to develop algae as a biofuels feedstock. Researchers with the Lawrence ...
Nov 27, 2009 |
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'Safety valve' protects photosynthesis from too much light
Photosynthetic organisms need to cope with a wide range of light intensities, which can change over timescales of seconds to minutes. Too much light can damage the photosynthetic machinery and cause cell death. Scientists ...
Nov 25, 2009 |
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NASA Conducts Airborne Science Aboard Zeppelin Airship
(PhysOrg.com) -- NASA launched its first airborne science mission this week featuring a 246-foot-long Zeppelin NT airship equipped with two imaging instruments to learn more about environmental conditions in the San Francisco ...
Oct 07, 2009 |
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A new day dawned fast: Recovery from marine mass extinction happened much faster than thought
(PhysOrg.com) -- In 1979, Luis Alvarez and his collaborators stunned the world with their discovery that an asteroid impact 65 million years ago probably killed off the dinosaurs and much of the the world's ...
Space & Earth / Earth Sciences
Oct 02, 2009 |
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Hydrogen-making algae's 'Achilles' heel' discovered
(PhysOrg.com) -- Scientists have discovered how oxygen stops green algae from producing hydrogen. The findings could help those working towards 'solar H2-farms' in which microorganisms produce hydrogen fuel ...
Sep 29, 2009 |
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Global warming causes outbreak of rare algae associated with corals, study finds
A rare opportunity has allowed a team of biologists to evaluate corals and the essential, photosynthetic algae that live inside their cells before, during, and after a period in 2005 when global warming caused ...
Sep 09, 2009 |
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Scientists hone technique to safeguard water supplies
A method to detect contaminants in municipal water supplies has undergone further refinements by two Oak Ridge National Laboratory researchers whose findings are published on line in Water Environment Research.
Aug 28, 2009 |
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Researchers study ocean plant cell adaptation in climate change
How will plant cells that live in the oceans and serve as the basic food supply for many of the world's sea creatures react to climate change?
Apr 15, 2009 |
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