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Birds and beans: Study shows best coffee for bird diversity

Fri, 16 Feb 18 00:12:20 -0800

It's an age-old debate for coffee lovers. Which is better: Arabica beans with their sweeter, softer taste, or the bold, deep flavor of Robusta beans? A new study by WCS, Princeton University, and the University of Wisconsin-Madison appearing in the journal Scientific Reports has taken the question to unlikely coffee aficionados: birds.

Scientists discover the secrets behind the cuttlefish's 3-D 'invisibility cloak'

Thu, 15 Feb 18 00:04:20 -0800

An international team of scientists has identified the neural circuits that enable cuttlefish to change their appearance in just the blink to eye -- and discovered that this is similar to the neural circuit that controls iridescence in squids.

Small gold mines in Senegal create high mercury contamination

Fri, 09 Feb 18 00:01:20 -0800

A Duke-led study has found high levels of mercury and methylmercury in soils, sediments and rivers near artisanal gold mines in Senegal. Nearly every sample collected from four mining villages contained mercury levels at least ten times higher than World Health Organization and U.S. Environmental Protection Agency standards.

There are more mammal species than we thought

Tue, 06 Feb 18 00:07:20 -0800

A recent study published in the Journal of Mammalogy, at Oxford University Press, highlights that over 1,000 new species of mammals have been described globally during the last dozen years, a finding that contradicts the notion that our mammalian relatives are well known. This rate of species discovery is driven by advances in DNA analysis methods and field exploration. This new listing of all living mammal species is publicly accessible in the Mammal Diversity Database.

Rainforest collapse 307 million years ago impacted the evolution of early land vertebrates

Tue, 06 Feb 18 00:09:00 -0800

Researchers at the University of Birmingham have discovered that the mass extinction seen in plant species caused by the onset of a drier climate 307 million years ago led to extinctions of some groups of tetrapods, the first vertebrates to live on land, but allowed others to expand across the globe. This research is published today (7th February 2018) in the journal Proceedings of the Royal Society B.

Bringing water to the fountain of youth

Tue, 30 Jan 18 00:04:20 -0800

A new study of the European common frog, Rana temporaria, published in the advanced online edition of the journal Molecular Biology and Evolution, offers some fresh clues that challenge the conventional scientific wisdom on sex-chromosome evolution.