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Satellite view reveals tide-fed biodiversity in Guinea-Bissau

Eighty-eight islands and islets spread across Guinea-Bissau’s coast, then seem to enlarge as the sea pulls back. A July 17 NASA Earth Observatory release uses a Landsat 8 image to show that daily transformation in the Bijagós Archipelago. The image was acquired on November 28, 2025, by the satellite’s Operational Land Imager. At relatively low…

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Beautiful scenic views of Skaftafell Glacier in Iceland

The Greenland shark can live for nearly 400 years, longer than any known vertebrate and a 96.7%-complete genome reveals expanded longevity-related gene families, unusual histone H1.0 changes and DNA-protection pathways that may keep sharks born centuries ago alive in Arctic waters through an extraordinary lifespan

A PNAS study led by researchers at The University of Tokyo has produced a nearly complete genome for the Greenland shark, the longest-lived vertebrate known to science. The assembly covers 96.7 percent of its genetic material and reveals several features that could help its cells endure for centuries. The team found genetic signatures associated with…