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TED Talks
TED: How common threats can make common (political) ground | Jonathan Haidt
If an asteroid were headed for Earth, we'd all band together and figure out how to stop it, just like in the movies, right? And yet, when faced with major, data-supported, end-of-the-world problems in real life, too often we retreat into...
Teacher's Pet
Heat in Changes of State
Learn about energy diagrams, calculating molar heat of vaporization and fusion and molar heat of solution in this video! Transcript ______________ In this diagram we have the temperature of water in degrees celsius on the side and energy...
Be Smart
%$?# Allergies!
About 40,000 people have sinus surgery every year, hoping to relieve sinus congestion due to allergies. Learners see why some people have allergies and others don't. From flowers' pollen to pet dander, some human immune systems are...