Dan Riskin, CTV’s Science and Technology Specialist, rounds up the most interesting, strange, and fascinating headlines from the science and tech worlds and teaches you a little something Mondays on Ottawa at Work with Patricia Boal.

Here's what we're covering this week:

• Astronomers Nail Down Which Starry Night it Was
• Preschool Curriculum Makes Adulthood Happier
• A Painted-On Liquid Can Halt Kids' Cavities

Tune in every Monday at 10:45am to Ottawa at Work with Patricia Boal for the latest Science with Dan Riskin!