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Space

Hydra can modify its genetic program

Champion of regeneration, the freshwater polyp Hydra is capable of reforming a complete individual from any fragment of its body. It is even able to remain alive when all its neurons have disappeared. Researcher the University of Geneva (UNIGE), Switzerland, have discovered how: cells of the epithelial type modify their genetic program by overexpressing a series of genes, among which some are involved in diverse nervous functions

See Daytime Views of Pluto and Charon’s Rotation

On approach in July 2015, the cameras on NASA’s New Horizons spacecraft captured Pluto rotating over the course of a full “Pluto day.” The best available images of each side of Pluto taken during approach have been combined to create this view of a full rotation. Credit: NASA/JHUAPL/SwRI. A day on Pluto is 6.4 Earth days (6 days 9 hours and 36 minutes) long

It’s Finally Here! Comet Catalina Greets Dawn Skywatchers

Comet C/2013 US10 Catalina photographed from high atop the Himalayas by Ajay Talwar with a 200mm lens on a tracking mount earlier this morning, Nov. 20, 2015. Copyright: Ajay Talwar If you love watching comets and live north of the equator, you’ve been holding your breath a l-o-n-g time for C/2013 US10 Catalina to make its northern debut. I’m thrilled to report the wait is over.

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