Big Ideas: All-Female Spacewalk, Brainless Mystery Organism, and Stormquakes

NASA's first all-female spacewalk will take place Friday with astronauts Christina Koch and Jessica Meir, whose task will be to replace a faulty battery charge-discharge unit. Plus, an unusual, brainless organism called "the blob" or "many-headed slime," will make its first public appearance at the Paris Zoological Park Saturday. This single-cell being lacks a nervous system, has 720 sexes, can learn, pass knowledge to other molds, and heal itself in minutes, baffling scientists. And, a new seismic phenomenon named "stormquakes" discovered.

Big Ideas: All-Female Spacewalk, Brainless Mystery Organism, and Stormquakes

Photo: hips.hearstapps.com