New miners arrive in Coal Valley in preparation for the reopening of the mine. One of the new miners, Billy Hamilton, takes a special interest in Elizabeth and Jack becomes suspicious of Billy's intentions.
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 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 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 NationalVirgin Galactic spaceship crashesOct 31, 2014 | 2:28A Virgin Galactic spaceship crashed during a test flight in California. One of the two pilots on board was killed, the other seriously injured.
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