"Science" is a popular theme on Midmorning -- from the latest medical breakthroughs to explorers who travel to all corners of the earth. We take a look back on four of the most dynamic scientifically-minded guests in recent memory and find out what they're working on now. Featuring interviews with spider researcher Greta Binford, glaciologist Ted Scambos, polar explorer Ann Bancroft, and social scientist James Fowler.