Hard seeds are prevented from germinating by a water-impermeable seed coat, and for many years this has been considered to be a dormancy mechanism. Scientists from Kew, the University of Bergen and the University ...
May 15, 2013
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(Phys.org) —The discovery pushes back the roots of agriculture in China by 12,000 years. The global emergence of similar practices around 23,000 years ago hints that agriculture evolved independently around ...
May 03, 2013
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The plant hormones known as gibberellins (GAs) are growth promoters that are involved in a wide range of processes from seed germination to flower development. The details of the biosynthesis of GAs, however, ...
May 02, 2013
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Hydrogen sulfide, the pungent stuff often referred to as sewer gas, is a deadly substance implicated in several mass extinctions, including one at the end of the Permian period 251 million years ago that ...
Apr 17, 2013
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Seeds of the model cereal plant Brachypodium distachyon are now available at the RIKEN BioResource Center (BRC) in Japan, the second bioresource facility to provide seeds of this important model plant to the ...
Apr 05, 2013
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(Phys.org) —A team of researchers, led by a University of California, Davis, plant scientist, has identified a lettuce gene and related enzyme that put the brakes on germination during hot weather—a discovery ...
Mar 29, 2013
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(Phys.org)—A team of materials scientists at Harvard University and the University of Exeter, UK, have invented a new fiber that changes color when stretched. Inspired by nature, the researchers identified ...
Jan 28, 2013
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Aggregations of the red and black colored firebugs are ubiquitous under linden trees in Central Europe, where the bugs can reach astounding population densities. While these insects have no impact on humans, ...
Jan 09, 2013
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