I’m on Science again! Moths jam bat sonar

July 24, 2009

I’ve got another interview on the Science podcast, from last week — an interesting little story about how tiger moths emit a sound that actually jams bat’s sonar, to keep from getting eaten. Here’s the link. I come in around 13:40. Of course, I had to ask, how did they manage to tether a moth […]

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What’s for dinner? (Teaching food chains)

April 6, 2009

Our latest Beyond Penguins and Polar Bears podcast from the NSDL is up! What’s For Dinner? Teaching Arctic Food Chains We already know why polar bears don’t eat penguins, but what do they eat? In this episode, we’ll share a simple activity that opens a window to understanding a unique ecosystem as one example of […]

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The podcast is dead. Long live the podcast!

March 30, 2009

What an appropriate title.  I am posting the very last episode of my Science Teaching Tips podcast on Podomatic, and at the same time it has been given new life over at the Exploratorium Teacher Institute website! The last Podomatic podcast episode is here:  The World’s Cheapest Electroscope. Dying to know whether something’s positively or […]

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Dr. Steph has a new podcast series!

February 5, 2009

I’ve got a new podcast series out, and this one is my best yet.  I’ve been hired by the wonderful folks at the National Science Digital Library (they provide a central depot for great digital media for teaching science) to create a podcast for elementary educators on using polar science in their teaching.  We (me […]

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Mastery learning in K-12 classrooms

December 12, 2008

Two local teachers in Colorado (Jon Bergmann and Aaron Sams)  just put together a wonderful little video about how they completely transformed their high school chemistry classrooms, so that students would actually master the material.  In the video, two dynamic presenters show and talk about how they used video podcasts to make better use of […]

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Temperature and color

September 26, 2008

I just posted a new episode of Science Teaching Tips — Running Hot and Cold.  Thomas Humphrey is one of the smartest people I know (he’s a staff physicist at the Exploratorium, and studied under Richard Feynman at CalTech).  Here, he talks about what temperature and color have to do with one another, and how […]

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