Science talk returns to brighten your day one more time. New discoveries, new takes on old knowledge, and other bits of news are all available for the perusing in today's information world. Over the fold are selections from the past week from a few of the many excellent science news sites around the world. Today's tidbits include vertebrates share ancient neural circuitry for complex social behaviors, the Milky Way is on a collision course with Andromeda, silkmoth inspires novel explosives detector, Sierra Nevada 200-year megadroughts confirmed, human hands leave prominent ecological footprints, and humingbirds begin to disappear as their flowers bloom earlier.
Pull up that comfy chair and grab a spot on the porch. There is always plenty of room for everyone. Another session of Dr. Possum's science education, entertainment, and potluck discussion is set to begin.