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.
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.
Unmanned aircraft systems, or drones, have long played a role in military operations. But imagine thousands of drones flying over U.S. skies — something we may see in just a few years. In February, President Obama signed an aviation bill requiring the Federal Aviation Administration to make plans to integrate drones into American airspace.