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12:25:46
Why do many things sound different underwater? How are echoes made? Can you feel or see sound? Join us as we delve into the mysteries of sound. This webcast will feature an Aim High student demonstrating how to make a membranophone; Exploratorium physicist Dr. Paul Doherty modeling sound with ringing aluminum rods, corrugated plastic whirlies, and a slinky; and Marco Jordan, lead educator in the Exploratorium's Outreach program, demonstrating sound science with a "whine" glass and a singing bowl.

0:41:27
In this special "holiday" edition of Iron Science Teacher, Paul Doherty joins our competition in the webcast studio live from Antarctica. Watch as the best teachers on the planet battle it out for the title of Iron Science Teacher. In this zany competition teachers will have ten minutes to create a science activity. This week's "secret" ingredient: ice!

0:21:02
Check in with Noel Wanner and Paul Doherty as they tell us more about their visit to the active volcano Mt. Erebus.

1:42:45
Can a question influence its answer? Discover the power of verbal overshadowing--ways in which words enhance or distract from different sensory memories. Dr. Schooler, Associate Professor of Cognitive Psychology at the University of Pittsburgh and research scientist at the Learning Research and Development Center, will arrange a variety of sense-memory experiments, including wine-tasting and jellybean-tasting!

2:02:21
What do you really remember? Dr. Jonathan Schooler and Dr. Elizabeth Loftus will discuss the highly controversial area of recovered memories. Dr. Schooler is Associate Professor of Cognitive Psychology at the University of Pittsburgh and a research scientist at the Learning Research and Development Center. Dr. Loftus is Professor Psychology and Adjunct Professor of Law at the University of Washington, Seattle.

0:23:03
In these archived webcasts from inside the American Association for the Advancement of Science (AAAS) exhibition hall, watch as Exploratorium senior scientist Tom Humphrey challenges some of the top scientists in the world to explain the phenomena behind selected exhibits from the museum floor. In this webcast, the Benham's Disk exhibit explained by guests from the Mathematical Sciences Research Institute in Berkeley and University High School in San Francisco