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Editors' Picks:



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Bioscience News
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Today's biological science headlines from the sources selected by our team:

How natural selection acted on one penguin species over the past quarter century
Biologists combed through 28 years' worth of data on Magellanic penguins to search for signs that natural selection -- one of the main drivers of evolution -- may be acting on certain penguin traits.
Plants & Animals News -- ScienceDaily, Sun, 25 Sep 2016 13:20:37 GMT

Melatonin, biological clock keep singing fish on time
In the 1980s, people living on houseboats in the San Francisco Bay were puzzled by a droning hum of unknown origin that started abruptly in the late evening and stopped suddenly in the morning. A lengthy investigation revealed the culprit: male plainfin midshipman fish (Porichthys notatus) that sing at night to attract mates. The fish, which can grow to 15 inches in length, live along the Pacific coast from Alaska to Baja, California.
Plants & Animals News -- ScienceDaily, Sun, 25 Sep 2016 13:20:37 GMT

Oxygen levels were key to early animal evolution, strongest evidence now shows
It has long puzzled scientists why, after 3 billion years of nothing more complex than algae, complex animals suddenly started to appear on Earth. Now, a team of researchers has put forward some of the strongest evidence yet to support the hypothesis that high levels of oxygen in the oceans were crucial for the emergence of skeletal animals 550 million years ago.
Plants & Animals News -- ScienceDaily, Sun, 25 Sep 2016 13:20:37 GMT

Human kidney progenitors isolated, offering new clues to cell renewal

In a first-of-its-kind look at human kidney development, researchers at The Saban Research Institute of Children's Hospital Los Angeles have isolated human nephron progenitor (NP) cells. Their results, published online in the journal Stem Cell Translational Medicine, will help scientists understand how these progenitor cells become renal cells in the developing fetus, and possibly offer a future way to foster renal regeneration after chronic kidney failure or acute injury.

Biology News Net, Sun, 25 Sep 2016 13:20:37 GMT

Study reveals how ionising radiation damages DNA and causes cancer

For the first time, researchers from the Wellcome Trust Sanger Institute and their collaborators have been able to identify in human cancers two characteristic patterns of DNA damage caused by ionising radiation. These fingerprint patterns may now enable doctors to identify which tumours have been caused by radiation, and investigate if they should be treated differently.

Biology News Net, Sun, 25 Sep 2016 13:20:37 GMT

Giraffes more speciose than expected

Scientists from the Senckenberg and the Giraffe Conservation Foundation have analysed the genetic relationships of all major populations of giraffe in the wild. The large study on the genetic makeup of giraffe, published today in Current Biology, shows that there are four distinct giraffe species. Until now, only one giraffe species had been recognized. The unexpected results are based on analyses using several nuclear marker genes of more than 100 animals. The new insights are set to improve protection efforts of these endangered animals in Africa.

Biology News Net, Sun, 25 Sep 2016 13:20:37 GMT

African elephants 'suffer worst decline in 25 years'
Africa's elephant population has suffered its worst drop in 25 years, the International Union for Conservation of Nature (IUCN) said Sunday, blaming the plummeting numbers on poaching.
Biology News - Evolution, Cell theory, Gene theory, Microbiology, Biotechnology, Sun, 25 Sep 2016 13:20:37 GMT

Shy pangolins need world spotlight to survive
Reclusive, gentle and quick to roll up into a ball, pangolins keep a low profile.
Biology News - Evolution, Cell theory, Gene theory, Microbiology, Biotechnology, Sun, 25 Sep 2016 13:20:37 GMT

Wildlife meeting weighs how to save endangered species
Thousands of conservationists and government officials open talks in Johannesburg on Saturday to thrash out regulating international trade in elephant ivory, rhino horn and hundreds of endangered wild animals and plants.
Biology News - Evolution, Cell theory, Gene theory, Microbiology, Biotechnology, Sun, 25 Sep 2016 13:20:37 GMT

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EurekAlert!
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Science Daily
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white line spacer The Scientist
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