bilimselkonular science
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Many studies of evolution focus on the benefits to the individual of competing successfully – those who survive produce the most offspring, in Darwin`s classic `survival of the fittest`. But how does this translate to the evolution of species?
A new article considers an aspect of the natural world that, like survival of the fittest individual, [...]
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Scientists from Scripps Institution of Oceanography at UC San Diego returning from research expeditions in Mexico have captured unprecedented details of vibrant sea life and ecosystems in the Gulf of California, including documentations of new species and marine animals previously never seen alive.
Yet the expeditions, which included surveys at unexplored depths, have revealed disturbing declines [...]
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A researcher at the University of Portsmouth has identified a new species of pterosaur, the largest of its kind to ever be found. It represents an entirely new genus of these flying reptiles that ruled the skies 115 million years ago.
The finding is significant because it originated in Brazil and is the only example of [...]
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The first comprehensive “inventory” of sea and land animals around a group of Antarctic islands reveals a region that is rich in biodiversity and has more species than the Galapagos. The study provides an important benchmark to monitor how they will respond to future environmental change.
Reporting this week in the Journal of Biogeography, the team [...]
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Scientists report the discovery of a new species of Ebola virus, provisionally named Bundibugyo ebolavirus, in the open-access journal PLoS Pathogens. The virus, which was responsible for a hemorrhagic fever outbreak in western Uganda in 2007, has been characterized by a team of researchers from the Centers for Disease Control and Prevention in Atlanta, [...]
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Australian and New Zealand researchers have used ancient DNA from penguin fossils to make a startling discovery that may change the way we view species extinctions.
A team from the University of Adelaide, the University of Otago, and Canterbury Museum in New Zealand has identified a previously unknown penguin species while conducting research on New Zealand`s [...]
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Colugos (aka flying lemurs)—the closest living relatives of primates most notable for their ability to glide from tree to tree over considerable distances—are more diverse than had previously been believed, according to a new report published in the November 11th issue of Current Biology.
Primates are most familiarly represented by monkeys and apes, the group including [...]
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In a paper published in Genome Research on Nov. 4, scientists at the Genome Institute of Singapore (GIS) report that what was previously believed to be "junk" DNA is one of the important ingredients distinguishing humans from other species.
More than 50 percent of human DNA has been referred to as "junk" because it consists of [...]
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Rice is the world’s foremost cereal crop as a human food source. Today’s cultivated varieties derive from the species Oryza sativa and Oryza glaberrina, domesticated respectively in Asia and West Africa. Besides these two domestic taxa, there are around 20 species of wild rice of the genus Oryza, all located in the tropics.
Their common ancestor [...]
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