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00:07:13
A veteran teacher describes his first year teaching in a tough school district. This episode is one of several “first-year” stories from people in a difficult profession.

00:08:15
Paul Stepahin is an Exploratorium exhibit developer who has a background in physics. He's worked on exhibits such as Elephant Turntable and Additor. Paul's knowledge and love of computer science and complex math has made him a resource for Exploratorium staff. In this program, Paul discusses the theoretical math P versus NP problem.

00:15:41
Dr. Christine Carter is a sociologist who studies the childhood roots of happiness. She is the executive director of the Greater Good Science Center at UC Berkeley, an interdisciplinary research center that promotes the study of happiness, compassion, and altruism. In this program, Dr. Carter speaks about happiness, altruism, and the inspiring intersection of her personal and professional worlds.

00:37:58
Halloween Special Edition! In this zany competition teachers have ten minutes to create a science activity from a special Halloween secret ingredient... bats!

00:54:24
In this zany competition teachers have ten minutes to create a science activity from a special secret ingredient. This week: eye care products!

00:48:06
In this zany competition teachers have ten minutes to create a science activity from a special secret ingredient. This week: dental hygiene products!

00:48:10
In this zany competition teachers have ten minutes to create a science activity from a special secret ingredient. This week: hair care products!

00:30:36
Join us as we celebrate the beginning of summer in the Arctic and the long, cold winter in Antarctica. We'll connect live to two polar field sites: Summit Camp atop Greenland's vast ice sheet, where the sun will be shining 24 hours a day, and the South Pole Research Station, now in the middle of 6 months of darkness.

00:18:47
Join Exploratorium senior scientist Paul Doherty as he serves up more hands-on activities related to science in Antarctica.

00:23:05
Join Exploratorium senior scientist Paul Doherty as he serves up hands-on activities related to science in Antarctica.