The discovery at two excavation sites in southeastern Georgia, about 50 kilometres south of capital Tbilisi, by a joint team of researchers from the University of Toronto and the Georgian National Museum dates the origin of winemaking to the Neolithic period around 6000 BC.

That makes it 600 to 1,000 years older than evidence of winemaking found in the Zagros Mountains in northwestern Iran, said Stephen Batiuk, a senior research associate in the Department of Near and Middle Eastern Civilizations and the Archeology Centre at the University of Toronto.

Prof. Ian Kerr says many AI researchers in Canada have joined the campaign to stop killer robots and want Canada to take a leadership role on the issue.

Barrie Kirk says self-driving and connected vehicles are much safer but not perfect.

Goretty Dias says the world needs to reconsider the way it produces food in light of climate change and food security.

Tonya Wimmer was pleased with a recent meeting involving many sectors that looked at ways to prevent right whale deaths.

Jocelynn Cook says better, uniform data collection would help doctors prevent and treat the risks faced by women after childbirth.

Carmel Kilkenny speaks with Bessma Momani, professor at the University of Waterloo.

Prof. Marc Johnson says urbanization is affecting the evolution of species.

Prof. Lisa Kramer thinks it is time to discuss eliminating time changes for several reasons.

Prof. Ravi Menon says imaging shows brain changes persist three months after a concussion suggesting young hockey players may be cleared to play too soon.