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21 novembre 2016

DNA collected from seawater may solve mysteries about world’s largest fish [Science]

Using only the DNA from sloughed-off cells floating in the ocean, scientists have been able to determine the population size and genetic properties of one of the world’s largest and most mysterious animals : the whale shark. The work marks the first time researchers have been able to use so-called environmental DNA (eDNA) to estimate the genetic characteristics of an aquatic species, and it could help scientists study the population and health of a wide range of marine animals without ever setting foot in the water.

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20 novembre 2016

Les habitants de Papouasie possèdent de l’ADN d’une espèce d’hominidés inconnue [Sciences et Avenir - Paléontologie]

Les habitants de la Mélanésie, région située au nord de l’Australie, possèdent dans leur ADN des traces d’un ancêtre non identifié, suggèrent des chercheurs américains.

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19 novembre 2016

How the sandfish lizard stays sand-free [Science]

The sandfish lizard spends most of its life buried in the sand—emerging only to eat, poop, and make love. This lifestyle helps the lizard evade the sweltering desert heat in the Middle East and North Africa, but it causes another problem : inhaling sand particles.

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19 novembre 2016

Masquerading spider looks like living and dead leaves at once [New Scientist]

Zoologger is our weekly column highlighting extraordinary animals – and occasionally other organisms – from around the world.

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19 novembre 2016

The Philippines’ Mindanao is a treasure trove of reptile and amphibian diversity [Mongabay]

Researchers say Mindanao is an epicenter of herpetological biodiversity in the Philippines, with surveys identifying at least 126 species in the island’s northeast.

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