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01:09:02
Join us as UC Berkeley's Dr. Robert Levenson interviews acclaimed psychologist Dr. Paul Ekman about his 40 years of research into the universality of human facial expressions. The talk includes photographs and never-before-seen footage from Dr. Ekman's fieldwork among the Fore, an isolated New Guinea tribe he first visited in the early 1960s.

00:06:12
This machinima, a movie made entirely within Second Life (a 3-D virtual world), shows a simulation of the impact of a meteor on the surface of Mars.

01:42:44
Author and animal scientist Dr. Grandin shares her insights on ASD (Autism Spectrum Disorder), visual thinking, and human and animal minds. Dr. Grandin, herself autistic, believes the autistic person's capacity to "see the actual things themselves" places autistic individuals in a unique position to understand the ways animals think.

00:03:11
Glaciologist and Ice Stories correspondent Nadine Quintana Krupinski gives us a brief tour of her deep field camp on the West Antarctic Ice Sheet.

00:00:31
An introduction to the bee hummer, a simple musical instrument that sounds like a swarm of buzzing bees when you spin it around.

00:06:08
A detailed demonstration of how to make the bee hummer, including a discussion of materials needed, troubleshooting tips if your hummer isn't humming well, and a demonstration of how the instrument should be played.

00:01:27
The science behind this simple musical instrument, including the concepts of sound, vibration, and amplification.

00:00:50
An introduction to making a simple rocket and a rocket launcher, including a demonstration of how the finished model will fly.

00:09:09
A step-by-step demonstration of how to make a simple rocket, including a discussion of materials needed and where to get them.

00:07:13
A step-by-step demonstration of how to make a launcher to send your rocket sky-high, including a discussion of materials needed and where to get them.