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International Space Station following most recent upgrade. Credit: STS-119 Shuttle Crew, NASA.

Fish and Mercury: Eating fish is good for you -- unless the fish contains the heavy metal mercury. (first broadcast Friday, January 16, 2009)

Top Jobs for the Math and Science Savvy: It's a tough time to be in the job market. We'll talk about the top-rated jobs for people with math and science knowledge. (first broadcast Friday, January 16, 2009)

Human-Driven Evolution: Can humans angling for the prize-winning fish shift the course of evolution? (first broadcast Friday, January 16, 2009)

Methane On Mars: This week astronomers reported finding gaseous methane in the Martian atmosphere. (first broadcast Friday, January 16, 2009)

50 Years of Pheromones: Fifty years ago this month, the word 'pheromones' was first used in the scientific literature. (first broadcast Friday, January 16, 2009)

Third-Hand Smoke: You know smoking can be hazardous to your health. Then came 'second-hand smoke.' Now, health researchers are cautioning about 'third-hand smoke' -- residues from smoking that linger on surfaces. (first broadcast Friday, January 9, 2009)

Understanding Medical Statistics: Relative risk? Survival rates? In this segment, we'll try to parse the language of medical studies and talk about how researchers and doctors interpret medical data. (first broadcast Friday, January 9, 2009)

New Milky Way Measurements: The Milky Way galaxy is bigger, heavier, and faster-spinning than researchers once thought. (first broadcast Friday, January 9, 2009)

Building Nanobristle Structures: Researchers studying nanoscale structures have found materials that assemble themselves into spirals, capable of holding tightly to each other or to materials in their center. (first broadcast Friday, January 9, 2009)

Gullibility: Can science explain why some swindles are so successful? (first broadcast Friday, January 9, 2009)

Diabetes Research Update: In this segment, we'll get the latest on efforts to control Type 2 diabetes. (first broadcast Friday, January 9, 2009)

Looking Forward to a Year of Science: A yearlong celebration of science kicks off to honor scientific methods and discoveries. (first broadcast Friday, January 2, 2009)

Controlling Mosquitoes With Bacteria: Can a bacterial infection be a useful weapon in the fight against mosquito-borne illnesses? (first broadcast Friday, January 2, 2009)

Sniffle, Sneeze, Urrp: Time for Colds and Flu: They both bring wintertime suffering, but how similar is the common cold to influenza, scientifically speaking? (first broadcast Friday, January 2, 2009)