Brown algae contain phlorotannins, aromatic (phenolic) compounds that are unique in the plant kingdom. As natural antioxidants, phlorotannins are of great interest for the treament and prevention of cancer and inflammatory, ...
Biotechnology
Sep 5, 2013
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Why did animals with limbs win the race to invade land over those with fins? A new study comparing the forces acting on fins of mudskipper fish and on the forelimbs of tiger salamanders can now be used to analyze early fossils ...
Plants & Animals
Jul 5, 2013
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(Phys.org) —Despite advances made in the fields of DNA sequencing and analysis, researchers have barely begun to scratch the tip of the iceberg in cataloging the planet's microbial diversity, mainly because only a minute ...
Cell & Microbiology
Jul 4, 2013
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(Phys.org) —For sea turtle hatchlings struggling to reach the ocean, success may depend on having flexible wrists that allow them to move without disturbing too much sand. A similar wrist also helps a robot known as "FlipperBot" ...
Robotics
Apr 23, 2013
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A new study shows clean-air regulations have dramatically reduced acid rain in the United States, Europe, Japan and South Korea over the past 30 years, but the opposite is true in fast-growing East Asian megacities, possibly ...
Environment
Apr 3, 2013
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The Pliocene (5.3–2.6 Million years ago) of Tibet witnessed the drying of the northern Tibetan Plateau and the approach to the Pleistocene Ice Age within the background of intensifying Indian and East Asian monsoons. Yet ...
Archaeology
Apr 1, 2013
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With both x-ray and gamma-ray spectrometers, the MErcury Surface, Space ENvironment, GEochemistry and Ranging probe (MESSENGER), which entered orbit around Mercury in 2011, is well equipped for carrying out a detailed compositional ...
Space Exploration
Jan 29, 2013
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To help decision makers mitigate the consequence of alien plant and animal invasion, an EU-wide database maintains a black list of these unwelcome biological invaders.
Ecology
Jan 28, 2013
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A little less than 2 billion years ago, metals including copper, molybdenum and zinc became available to primitive cells, at the same time that the cells began to become much more complex. Scientists indicate that they have ...
Earth Sciences
Jun 21, 2012
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A new study of sediments laid down shortly after an asteroid plowed into the Gulf of Mexico 65.5 million years ago, an event that is linked to widespread global extinctions including the demise of big dinosaurs, suggests ...
Archaeology
Oct 11, 2011
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