Wind Turbines: How Do They Work?

These giant, twirling mystery machines have surprises inside–and there are Big Ideas coming for the future of wind turbines.

Can Groundhog Predictions Be Trusted? The Science of Groundhog Day.

Groundhogs are known for their extreme psychic abilities on Groundhog Day. But what is the actual science behind their psionic prognostication? Every year on February 2nd, groundhogs across the world embark on the task of making the most accurate weather predictions known to science. Hundreds of spectators gather at Gobbler’s Knob in Punxsutawney, Pennsylvania to await the emergence of…