The NationalWhen science meets soccer (or when physics meets football)Jun 28, 2014 | 2:42Former astronaut Chris Hadfield looks at the aerodynamics of the ball being used at the 2014 World Cup in Brazil.
The NationalNavel GazingMar 16, 2012 | 5:35It's not often we do a story about belly buttons. But as Kim Brunhuber reports, scientists are making some startling discoveries, thanks to their novel approach to your navel.
The NationalBee-killing pesticideJun 24, 2014 | 2:49A new report by a panel of scientists says a controversial crop pesticide is contributing to the mass deaths of bees and have other long-term effects on the environment
The NationalChris Hadfield on taking photos from spaceOct 17, 2014 | 10:48Canadian astronaut Chris Hadfield talks with Wendy Mesley about his photographs from space, the earth and what earthlings should worry about.