10.22.2021 - By CBC
New research shows the Vikings were in Newfoundland exactly 1000 years ago; Rocks from Chang'e 5 sample return mission reveal a younger side of the moon; Scientists have found a way to harden wood to make a knife that rivals steel; Streetlights — especially new LEDs — can drastically reduce caterpillar numbers; Milk may have been the fuel that enabled a major human migration; Whoa Nelly! Modern horses come from ancestors we improved 4000 years ago; How can tiny frogs make so much noise?