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People compare how aliens would reconstruct animals based on their skulls vs. what they really look like (28 pics)
About 500 million years ago, not a single creature had a skull. Over time, these bony plates evolved into the structural marvels that vertebrates—animals with spinal cords, aka you, me, and your pug, ...
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Thousands of alien species could invade the Arctic, warns study
Thousands of alien species could invade the Arctic, warns a new study. Warmer temperatures and more tourists make it easier ...
More than 2500 plant species have the potential to invade the Arctic at the expense of the species that belong there. Norway is one of the areas that is particularly at risk.
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