The New Horizons Mission blasted off toward Pluto in 2006; it's on course to arrive in Pluto's neighborhood in 2015. Mission leader Alan Stern discusses the journey of the spacecraft, and why he thinks Pluto is still a planet. Plus, the mission to get Pluto on a commemorative stamp.
Reporting in the Astrophysical Journal, scientists write of a massive collision between two galaxy clusters. By studying the cosmic remnants of that smashup, they say leftover dark matter isn't behaving as current theory predicts. Astrophysicist Andisheh Mahdavi discusses this dark matter mystery.
Between the resident emu and the newborn goats, Harvard's Concord Field Station, located in Bedford, Mass., has a menagerie feel. The lab researches how different animals move--which requires lots of animals, and gadgets to facilitate and document their motion.
Reporting in Cell Metabolism, researchers write that when people who lead relatively sedentary lives worked out the DNA in their muscle fibers changed almost immediately. Scientists also found caffeine had the same effect on isolated rodent muscles. Study co-author Juleen Zierath discusses the DNA modifications.
When you crunch into a potato chip or take a spoonful of chocolate mousse what you experience is more than just the taste of the food. In her book Taste What You're Missing, Barb Stuckey discusses why truly experiencing food involves all five senses and offers tips on how to get more enjoyment from your next meal.
This is SCIENCE FRIDAY. I'm Ira Flatow. Camilla is a 300-pound female gorilla in her 30s who lives in the San Diego Zoo. Now, what sets Camilla apart from the rest of the troop is that she became the first gorilla to have its entire genome sequenced.
NAACP president Ben Jealous hopes that international pressure might be another weapon against strict new voter ID laws. Here Jealous speaks on Jan. 16 at the South Carolina State House in Columbia, S.C. for Martin Luther King Day.
The National Association for the Advancement of Colored People announced it will appear before the United Nations' Human Rights Council in Geneva next week to seek support for its fight against voter identification laws enacted in U.S. states.
The civil rights organization says the laws are among several measures adopted by some states that violate the human and civil rights of minority voters by suppressing their participation in elections.
The Department of Education's top civil rights official, Russlynn Ali, speaks with host Michel Martin about a new report. It finds students of color have less access to high-level classes, their teachers are often paid less than those of white students in same district, and suspension rates for black students are disproportionately high.