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New land snail species from Australia shows dissection not necessary to identify molluscs

Dissection might prove unnecessary when identifying new molluscs after scientists Corey Whisson, Western Australian Museum, and Dr Abraham Breure, Naturalis Biodiversity Centre, the Netherlands, and Royal Belgian Institute of Natural Sciences, Belgium, described a previously unknown land snail based on its genitalia, yet without damaging the specimen in the slightest.

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Flipping a chemical switch helps perovskite solar cells beat the heat

Thin films of crystalline materials called perovskites provide a promising new way of making inexpensive and efficient solar cells. Now, an international team of researchers has shown a way of flipping a chemical switch that converts one type of perovskite into another—a type that has better thermal stability and is a better light absorber.

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Patterns of glowing sharks get clearer with depth

A team of researchers led by scientists from the American Museum of Natural History has found that catsharks are not only able to see the bright green biofluorescence they produce, but that they increase contrast of their glowing pattern when deep underwater. The study, conducted with a custom-built “shark-eye” camera that simulates how the shark sees underwater, shows that fluorescence makes catsharks more visible to neighbors of the same species at the depths that they live and may aid in communication between one another

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Scientists discover new reef system at mouth of Amazon River

A new reef system has been found at the mouth of the Amazon River, the largest river by discharge of water in the world. As large rivers empty into the world’s oceans in areas known as plumes, they typically create gaps in the reef distribution along the tropical shelves—something that makes finding a reef in the Amazon plume an unexpected discovery.

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New survey shows Americans believe civility is on the decline

A recent survey by The Associated Press-NORC Center for Public Affairs Research finds that 74 percent of Americans think manners and behavior have deteriorated in the United States over the past several decades. A large majority of Americans believe that politicians should be held to a higher standard than the general public, but few think they are living up to that expectation.

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Antimatter unveils the secrets of liquid crystals

Liquid crystals combine such contradictory features as the chaos of liquid molecules, and the ordering characteristics of crystals. Thanks to an innovative application of antimatter, it has been demonstrated at the Institute of Nuclear Physics of the Polish Academy of Sciences in Krakow that the structures formed by certain molecules of liquid crystals must in fact be different than previously thought.

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Muskoxen hair analysis shows diet suffers during snow-heavy Arctic winters

Analysis of hairs from muskoxen in the Arctic tundra indicates they had limited amounts of forage available and relied heavily on body stores during snow-heavy winters, according to a study published April 20, 2016 in the open-access journal PLOS ONE by Jesper Bruun Mosbacher from the Arctic Research Centre at Aarhus University, Denmark, and colleagues.

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13-million-year-old ‘storyteller’ crocodylian fossils show evidence for parallel evolution

The 13-million-year-old fossils of an extinct crocodylian, named ‘the storyteller,’ suggest that South American and Indian species evolved separately to acquire protruding, ‘telescoped’ eyes for river-dwelling, according to a study published April 20, 2016 in the open-access journal PLOS ONE by Rodolfo Salas-Gismondi from the University de Montpellier, France, and colleagues.

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