Canadian cities rethink removal of fluoride from tap water | CBC News

Two Canadian cities are doing an about face on their decision to remove flouride from drinking water after rates of tooth decay spiked, especially among children.

Source: Canadian cities rethink removal of fluoride from tap water | CBC News

The fascinating science of bubbles, from soap to champagne – TED Talks

In this whimsical talk and live demo, scientist Li Wei Tan shares the secrets of bubbles — from their relentless pursuit of geometric perfection to their applications in medicine and shipping, where designers are creating more efficient vessels by mimicking the bubbles created by swimming penguins. Learn more about these mathematical marvels and tap into the magic hidden in the everyday world.

Chinese scientist reports 3rd pregnancy in baby-gene editing experiment | CBC News

As American researchers say they tried to discourage He Jiankui from pursuing what he claims are the world’s first genetically edited babies, the Chinese scientist insists he is proud of his work and revealed that another volunteer is pregnant.

Source: Chinese scientist reports 3rd pregnancy in baby-gene editing experiment | CBC News