Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. In 1976, workers excavating a tunnel for the Toronto subway system ...

In a way, sequencing DNA is very simple: There's a molecule, you look at it, and you write down what you find. You'd think it would be easy—and, for any one letter in the sequence, it is. The problem ...

Home DNA tests are an accessible way to gain an extensive understanding of your heritage, family history and diaspora. Tests are becoming increasingly affordable and genetic databases are expanding ...