The kilogram is getting a makeover

The way we define a kilogram (and pounds too) is basically a high-tech refinement of a medieval technology. That’s about to change as the most influential bar in Paris is shutting down.

PBS LearningMedia

PBS LearningMedia is a very cool website partnership between PBS and WGBH Boston. They’re taking free PBS media content and adding a great discovery and filtering layer on the web that allows educators (or anyone, for that matter) to find compelling assets to compliment or supplement academic learning.