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00:04:52
What do polarized sunglasses have to do with dog urine? Listen to this curious story from staff physicist Paul Doherty.

00:09:30
TI program participant Mark Hespenheide presents an elegant illustration of free fall using string and paper clips.

00:04:55
How do you give your students the words they need to understand an activity or a topic? TI Staff Educator Modesto Tamez explains his opinion that vocabulary is best given towards the end of a lesson, not at the beginning.

00:05:23
Our host, Stephanie Chasteen, shares some more fun facts and activities having to do with the science of sound.

00:06:45
Kids can be pretty skeptical, which can help them to learn more. Children���s book author David Schwartz shares some of the letters from classes who thought they should double-check the numbers in some of his books.

00:07:59
Staff educator Tory Brady tells you how to make a teaching box���a valuable tool for getting yourself organized to teach a great science unit.

00:04:08
TI staff educator Eric Muller shows me how to carbonate my tongue. Blech!

00:05:10
TI teacher coach Jennifer Paillet explains how to fit in more labs, and get students thinking creatively by using take-home labs.

00:06:50
Students may come into your classroom with preconceived ideas about how things work. TI director Linda Shore explains why she feels it���s important to explore students��� private theories about the world, and some ways she���s found to do that in her own classrooms.

00:05:59
Exploratorium staff physicist Thomas Humphrey reveals why size does matter, at least in physics.