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00:07:04
TI staff biologist Karen Kalumuck describes how she tries not to answer every question that's asked during a class. Instead, she guides her students to discover ideas for themselves.

00:05:11
A veteran teacher describes her first year of teaching-in Guatamala. She faced many, many challenges, but she stuck it out and has been teaching for 20 years.

00:07:04
What is indigo anyway? Staff physicist Paul Doherty tells the story behind ROYGBIV, and how he'd like to change that standard palette.

00:07:27
What coin would just barely cover the full moon? You may be surprised. TI director (and recovering astrophysicist) Linda Shore explains how our brains distort the actual size of the moon.

00:05:51
Take a little sound quiz with our host, Stephanie Chasteen, and learn something about how our brains locate sounds.

00:09:29
Have you ever really listened to a ball bounce? Exploratorium staff physicist Thomas Humphrey describes the elegant mathematics of a bouncing ball.

00:06:50
Despite my better judgment, I invite TI staff educator Eric Muller to do one more set of activities—several things you can do with soda straws.

00:01:42
Sea life can sometimes serve as a marker to help navigators stay on track. Shorty Bertelmann describes how one such living marker, a pod of dolphins, helped him see what navigation is really about.

00:03:13
The intertwining of astronomy, Hawaiian ancestry, and traditional navigation are the subject of this video featuring astrophysicist Paul Coleman, cultural historian Koa Rice, and captain Billy Richards.

00:09:00
TI teacher coach Zeke Kossover explains how he uses short, focused lab activities to really get concepts across to his students.