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Astronomy 13 hours ago

NASA's Chandra releases timelapse movies of Crab Nebula and Cassiopeia A

New movies of two of the most famous objects in the sky—the Crab Nebula and Cassiopeia A—are being released from NASA's Chandra X-ray Observatory. Each includes X-ray data collected by Chandra over about two decades. ...

Ecology 15 hours ago

Scientists map soil RNA to fungal genomes to understand forest ecosystems

If a tree falls in the forest—whether or not anyone registers the sound—one thing is for sure: there are lots of fungi around. Within a forest's soil, hundreds of species decompose debris, mobilize nutrients from that ...