More and more people are living, working, and going to school close to the freeway. But how close is too close?

Bessie Coleman paved the way as the first black and Native American woman to earn a pilot's license in 1921. What was flying like back then?

Although figure skaters make their sport look easy, executing the perfect jump requires a precise combination of speed, force, vertical velocity, angular momentum, friction and of course timing. How do these crucial pieces work together to create the perfect loop, flip, salchow, axel or lutz?

Whether it’s white, black, pink, red, or even green, the color of sand provides clues as to its makeup and offers a peek into the beach’s history.

How do opioids work and who is at risk for an opioid addiction? What opioid addiction treatments are more effective and can we vaccinate against addiction?

How do we measure time? How accurate are today’s clocks relative to the first clocks of ancient times? And what is the definition of a second?