Temperature-driven changes alter outbreak patterns of tea tortrix—an insect pest—and may shed light on how temperature influences whether insects emerge as cohesive cohorts or continuously, according to an international ...
Ecology
Aug 1, 2013
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Scientists at The Scripps Research Institute (TSRI) have achieved the first efficient chemical synthesis of ingenol, a highly complex, plant-derived compound that has long been of interest to drug developers for its anticancer ...
Biochemistry
Aug 1, 2013
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(Phys.org) —Having more than two sets of chromosomes can increase a plant's ability to take up nutrients and survive in saline soils, a joint study by Purdue University and the University of Aberdeen shows.
Biotechnology
Jul 30, 2013
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Although human cells have an estimated 20,000 genes, only a fraction of those are turned on at any given time, depending on the cell's needs—which can change by the minute or hour. To find out what those genes are doing, ...
Biotechnology
Jul 23, 2013
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(Phys.org) —The genes that code for proteins—more than 20,000 in total—make up only about 1 percent of the complete human genome. That entire thing—not just the genes, but also genetic junk and all the rest—is coiled ...
Biotechnology
Jul 5, 2013
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(Phys.org) —Stars form as gravity coalesces the gas and dust in an interstellar cloud until the material develops clumps dense enough to become stars. Even after a star begins to burn its nuclear fuel it continues to grow ...
Astronomy
Jul 1, 2013
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Biologists quote Lewis Carroll when arguing that survival is a constant struggle to adapt and evolve. Is that true, or do groups die out because they experience a run of bad luck? Charles Marshall and Tiago Quental of UC ...
Evolution
Jun 20, 2013
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A new set of long-term climate records based on cave stalagmites collected from tropical Borneo shows that the western tropical Pacific responded very differently than other regions of the globe to abrupt climate change events. ...
Earth Sciences
Jun 6, 2013
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When Felix Fischer of the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) set out to develop nanostructures made of graphene using a new, controlled approach to chemical reactions, the first ...
Nanophysics
May 30, 2013
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From Virginia to Florida, there is a prehistoric shoreline that, in some parts, rests more than 280 feet above modern sea level. The shoreline was carved by waves more than 3 million years ago—possible evidence of a once ...
Earth Sciences
May 23, 2013
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