Andrew Paul is Popular Science's staff writer covering tech news. Previously, he was a regular contributor to The A.V. Club and Input, and has had recent work featured by Rolling Stone, Fangoria, GQ, Slate, NBC, as well as McSweeney's Internet Tendency. He lives outside Indianapolis.
ArticleBody:Multiple ancient and extinct species of tardigrades, aka “water bears,” can now be seen in unprecedented, high-resolution detail thanks to high-powered microscopy tools. With these new observations, researchers believe they have helped resolve some of the many lingering mysteries within the history of these tiny invertebrates. Tardigrades are some of the most resilient and oldest creatures on Earth.
Although the amber has spent decades at Harvard’s museum, researchers have so far spent very little time examining them due to its opaque color, the fossils’ size, and technological limitations. After mounting the specimen to a slide using dental wax, the team placed glycerin on each side for the field of view of a confocal fluorescence microscope. A series of photographic “slices” of the tardigrades were then blended together to create high-definition composite images.
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