The team trying to bring the woolly mammoth back from extinction is doing a trial run with Tasmanian tigers, funded in part by the Hemsworth brothers. Plus, NASA’s megarocket that will return humans to the moon and, perhaps one day take humans to Mars, has begun its four mile journey to the launch pad, readying for its uncrewed journey around the moon later this month. And a new breakfast cereal from Snoop Dogg.