Sustainable polar bear tour educates tourists on environmental impact

It's almost always cold in Churchill, Manitoba, a remote coastal community on Hudson Bay in Canada's subarctic region. Today (November 26), a month before winter officially begins, it's -25 degrees C with a fierce wind coming off Hudson Bay which is thick with slabs of ice. Situated in the middle...

Two sides of AI

Artificial Intelligence (AI) has been a subject of headline news for a quite while. Google's AlphaGo's success in beating a human professional Go player on a full-sized board game created sensation about machine's rising capability. Similarly, IBM's Watson's success against legendry champions Brad Rutter and Ken Jennings, in 2011, winning...