Top news for December 21, 2008

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On this day in space! Oct. 14, 1947: Chuck Yeager smashes the sound barrier.

April new moon 2022: Venus, Saturn and Mars cluster together in moonless sky

Scientists Watch Bacteria Fix Broken DNA in Real Time to See Exactly How It's Done

Integrated Strategies To Meet Biodiversity, Climate, and Water Objectives

Common Floral Bacteria Can Enhance Pollen Germination

Lucky 13? Mars Ingenuity Helicopter to Get Lower for More Detailed Images During Next Flight

Why is alcohol used to preserve things?

Bioengineers Using 3D Printing and Smart Biomaterials To Create an Insulin-Producing Implant for Type 1 Diabetes

DSN Upgrades: NASA’s Deep Space Network Looks to the Future

To Learn More Quickly, Brain Cells Break Their DNA