A law allowing limited euthanasia in Canada is set to expand to make the procedure available to people with mental illness. As Craig McCulloch reports, this is causing a variety of reactions. Canada’s law permitting euthanasia, or Medical Assistance in Dying, became personal for Vancouver-area resident Marcia McNaughton in November.

Scientists discovered the oldest known DNA and used it to reveal what life was like 2 million years ago in the northern tip of Greenland. Today, it’s a barren Arctic desert, but back then it was a lush landscape of trees and vegetation with an array of animals, even the

  Britain’s Conservative government on Wednesday approved the United Kingdom’s first new coal mine in three decades, a decision condemned by environmentalists as a leap backwards in the fight against climate change. Hours earlier, the government reversed a ban on building new onshore windfarms in Britain. Opponents called that announcement