Thousands of southern and central Ontario residents are reporting that they were shaken by an earthquake late Tuesday night, according to Natural Resources Canada.

Researchers in Ontario, Quebec and Nova Scotia are launching a project to map more than 10,000 genomes from Black Canadians with Type 2 diabetes, high blood pressure and an aggressive form of breast cancer. Project leaders hope their findings eventually help target treatment and preventive care and contribute to better health outcomes for racialized patients.

Police cold-case units face a new challenge in solving decades-old killings. With the world’s largest storehouse of genealogy information, Ancestry.com, now banning law enforcement from using its data without obtaining a court order, it is much harder for police to build family trees based on crime-scene DNA and zone in on suspects via their distant relatives.