Volume 090
| Listen | Transcript | Title | Air Date |
|---|---|---|---|
| Listen | Transcript | Ants May be Smarter than You Think | 01/08/2007 |
| Listen | Transcript | An Animal that Plays an Instrument | 01/09/2007 |
| Listen | Transcript | Can Photosynthesis Happen Without the Sun? | 01/10/2007 |
| Listen | Transcript | A Mother's Love | 01/11/2007 |
| Listen | Transcript | A Warm Blooded Turtle | 01/12/2007 |
| Listen | Transcript | The Great Wall in Space | 01/15/2007 |
| Listen | Transcript | Carnivorous Mushrooms | 01/16/2007 |
| Listen | Transcript | Could Leviathan Be a Dinosaur? | 01/17/2007 |
| Listen | Transcript | Science Looks at Astrology | 01/18/2007 |
| Listen | Transcript | Even Bacteria Get Sick | 01/19/2007 |
| Listen | Transcript | Tent Building Bats | 01/22/2007 |
| Listen | Transcript | Breaking Dollo's Law | 01/23/2007 |
| Listen | Transcript | Ant Antics! | 01/24/2007 |
| Listen | Transcript | Engineering Joint Lubrication | 01/25/2007 |
| Listen | Transcript | The Bare Bone Facts | 01/26/2007 |
| Listen | Transcript | Natural Acid Rain | 01/29/2007 |
| Listen | Transcript | Ant Mathematics | 01/30/2007 |
| Listen | Transcript | Yes, Early Humans Wrote | 01/31/2007 |
| Listen | Transcript | The Wonders of Everyday Materials | 02/01/2007 |
| Listen | Transcript | The Bats Who Feed Trees | 02/02/2007 |
| Listen | Transcript | When It's Better to Be Male | 02/05/2007 |
| Listen | Transcript | The Body's Fleeting Workers | 02/06/2007 |
| Listen | Transcript | Electric Avalanche | 02/07/2007 |
| Listen | Transcript | Aspirin | 02/08/2007 |
| Listen | Transcript | Mindless Logic? | 02/09/2007 |
| Listen | Transcript | When Facts Aren't Facts | 02/12/2007 |
| Listen | Transcript | Birds Who Build Pyramids | 02/13/2007 |
| Listen | Transcript | Love With Eight Arms | 02/14/2007 |
| Listen | Transcript | The Deep Diving Leatherback | 02/15/2007 |
| Listen | Transcript | Are There Black Holes? | 02/16/2007 |
