White perch are a popular catch in the Delaware River and Delaware Bay, but contaminants can make the fish unsafe to eat. Officials advise against eating white perch caught north of the Chesapeake and Delaware Canal and limiting ...
Environment
May 30, 2013
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When Woods Hole Oceanographic Institution (WHOI) marine paleoecologist Marco Coolen was mining through vast amounts of genetic data from the Black Sea sediment record, he was amazed about the variety of past plankton species ...
Earth Sciences
May 6, 2013
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(Phys.org) —Salmonella is a major cause of human diarrhoeal infections and is frequently acquired from chickens, pigs and cattle, or their products. Around 94 million such infections occur in people worldwide each year, ...
Cell & Microbiology
Apr 22, 2013
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For a variety of reasons, many humans choose to adopt children. More surprisingly, adoption is fairly widespread in the animal kingdom, even though it would seem to counteract the basic premise of Darwin's theory of evolution, ...
Plants & Animals
Mar 19, 2013
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For hundreds of years, naturalists and scientists have identified new species based on an organism's visible differences. But now, new genetic techniques are revealing that different species can show little, to no visible ...
Plants & Animals
Mar 11, 2013
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(Phys.org)—An international team of researchers has succeeded in genetically altering wheat seeds to prevent the production of gluten in subsequent plants. The effort focused, the team writes in their paper published in ...
Paleontology, with its rocks and fossils, seems far removed from the world of developmental genetics, with its petri dishes and embryos. Whereas paleontology strives to determine "What happened in evolution?", developmental ...
Paleontology & Fossils
Nov 7, 2012
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Sumatran orangutans have undergone a substantial recent population decline, according to a new genetic study, but the same research revealed the existence of critical corridors for dispersal migrations that, if protected, ...
Plants & Animals
Oct 16, 2012
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Researchers from Johns Hopkins and Northwestern universities have discovered how to control the shape of nanoparticles that move DNA through the body and have shown that the shapes of these carriers may make a big difference ...
Bio & Medicine
Oct 12, 2012
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(Phys.org)—For nearly 260 years—since Carl Linnaeus developed his system of naming plants and animals—researchers classified species based on visual attributes like color, shape and size. In the past few decades, researchers ...
Cell & Microbiology
Sep 20, 2012
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