Kirk once again takes us back to space this week to talk about Schloz's Star. Incredibly, scientists discovered that 70,000 years ago, this star actually passed THROUGH our solar system. 
Rachel's tale this week is almost as big and mind boggling but it takes place right here on Earth. She tells us why we are spending millions of dollars to drop 14.7 million screwworms into the rainforest in Panama EVERY WEEK!