The NationalDNA edits of embryosMar 26, 2015 | 2:35Prominent scientists warn it's time for a moratorium on powerful new genetic engineering tools that can add and remove genes from sperm, eggs or human embryos
The NationalStephen Hawking's black hole U-turnJan 29, 2014 | 2:32CBC science correspondent Bob McDonald on theoretical physicist Stephen Hawking's admission that his 40-year-old theory about black holes is probably wrong
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.
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 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