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Short-Snouted Sea Monsters Evolved Rapidly After Wipeout

The discovery of a short-snouted, oceangoing reptile with a whip-like tail suggests that some marine reptiles evolved quickly (geologically speaking) after a mass extinction 250 million years ago, a new study finds. The finding turns an old theory on its head, showing that early marine reptiles didn't evolve slowly after the end-Permian extinction. The extinction wiped out about 96 percent of all marine species, largely due to climate change, volcanic eruptions and rising sea levels, the researchers said. The newfound specimen from China is an early ichthyosaur, a marine reptile that looks a bit like a dolphin. Its discovery suggests...

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Extinct 'Siberian unicorn' may have lived alongside humans, fossil suggests

Scientists said that creature, which looked more like a rhino than a horse, went extinct 29,000 years ago instead of 350,000 after finding skull in Kazakhstan FULL STORY: https://www.theguardian.com/science/2016/mar/29/siberian-unicorn-extinct-humans-fossil-kazakhstan Painting of the Elasmotherium sibiricum or ‘Siberian unicorn’ by Heinrich Harder. Photograph: Public Domain  

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Gruesome ‘wedding gifts’ keep male spiders from being eaten

Finding a gift for one’s spouse can be stressful, but at least if you screw it up your significant other won’t eat you. Things aren’t so easy for nursery web spiders (Pisaura mirabilis). FULL STORY: http://www.sciencemag.org/news/2016/05/gruesome-wedding-gifts-keep-male-spiders-being-eaten

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Video: How spiderwebs stay tense

High Tension: how spiderweb lines manage to stay taut whether they are stretched or compressed FULL STORE HERE: http://www.sciencemag.org/news/2016/05/video-how-spider-webs-stay-tense (Video Credit: Science/AAAS)

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DNA Study Suggests Scorpions Diversified as Andes Formed

The rise of the massive mountain range created varied landscapes where many different species of these arachnids could thrive, according to new research. FULL STORE HERE: http://www.amnh.org/explore/news-blogs/research-posts/dna-study-suggests-scorpions-diversified-as-andes-formed/ by AMNH on 05/16/2016 09:45 am

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