Improving your athletic ability is possible with technology created by engineers William “Buddy” Clark and Mike Ressler. See how their innovations can be easily used to analyze and step up …

Nowadays, the tools for tracing your family tree have advanced far beyond looking back at names in the family Bible or compiling a scrapbook of paper records. Using your genetic information to find long-lost relatives is easier and cheaper than ever before—and scientists are looking to push the technology even further by analyzing our skin and facial features.

Meet Dr. Nora Volkow, whose research on drugs and the brain helped us understand addiction as a disease. Nora Volkow is the director of the National Institute on Drug Abuse. …

Astronomer Jill Tarter leads the charge to search for intelligent life on other planets by listening to clues from over 40 radio telescopes. Episode filmed live at the 2010 World …

Can marching ants, schooling fish, and herding wildebeests teach us something about the morning commute? Robert Krulwich guides this unique melding of mathematics, physics, and behavioral science as Mitchell Joachim, Anna Nagurney and Iain Couzin examine the creative and sometimes counter intuitive solutions to one of the modern world’s most annoying problems.

What is time? Isaac Newton described it as absolute, but Einstein proved that time is relative, and, shockingly, that time and space are intricately interwoven. Now recent work in string theory and quantum gravity suggests that space and time may not be fundamental. If this is true, what new picture of reality will emerge?