Most plant fossils are isolated organs, making it difficult to reconstruct the type of plant life or its ecosystem structure. In their study for GEOLOGY, published online on 28 Aug. 2014, researchers Camilla Crifò and colleagues ...
Earth Sciences
Sep 2, 2014
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Researchers have discovered that an evolutionary change from 65 million years ago may have set the pace for the rapid growth rate of present-day flowering plants.
Archaeology
May 10, 2011
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(Phys.org) —When the retina's supply of blood and oxygen runs low, physicians have to react quickly to preserve a patient's eyesight. But up until now there have been no methods sensitive enough to measure how well the ...
Engineering
May 6, 2013
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Fujitsu Laboratories has announced development of the world's first slide-style palm vein authentication technology. This technology is compact enough to be equipped to future tablets and other handheld mobile devices. As ...
Security
Jan 10, 2017
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The shrinking space on airplanes is surely uncomfortable, but it might also be dangerous for passengers' health and safety.
Other
Apr 14, 2015
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Not much is known about the the genus of planthopper known as Conosimus, which now includes six species after a new one was recently discovered in the southern part of the Iberian Peninsula in the Spanish city of Jaen. A ...
Plants & Animals
Jul 22, 2014
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Plants have veins that transport nutrients throughout their whole body. These veins are organized in a highly ordered manner. The plant hormone auxin travels directionally from cell-to-cell and provides cells with positional ...
Plants & Animals
Oct 29, 2020
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5
In research led by a Saint Louis University investigator, molecular biologists have discovered a way to harness the enzyme thrombin's anti-blood clotting properties. The finding opens the door to new medications that will ...
Biochemistry
Jun 18, 2010
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We know very little about insect evolution despite them inhabiting every kind of environment on our planet. At a time when the future of many insect species is threatened, researchers are looking to advance their knowledge ...
Evolution
Jun 5, 2023
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3
Bile ducts are pathways that carry hepatocyte-produced bile from the liver to the small intestine. In the human fetal liver, bile ducts are formed from bile duct epithelial cells surrounding the portal vein, and hepatocytes ...
Cell & Microbiology
Jan 9, 2024
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