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00:00:24
An introduction to a crowd-pleasing noisemaker called a sound sandwich, which you can adjust to raise or lower its pitch.

00:02:32
A detailed demonstration of how to make this primitive wind instrument using little more than a straw, two craft sticks, and some rubber bands.

00:01:48
The science behind this instrument, including a discussion of how vibration produces sound, and how long, massive objects vibrate slowly and produce a low-pitched sound, while shorter, less massive objects vibrate quickly and produce a high-pitched sound.

00:40:13
Scientists at Palmer Research Station in Antarctica talk about their research: How is the rich marine ecosystem just offshore responding to melting sea ice and global climate change?

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

00:26:52
Join us in conversation with David Ainley and other researchers, as they wrap up there field season at the Adelie penguin breeding colonies in Antarctica’s Ross Sea.

00:02:08
Penn State University glaciologist Dr. Richard Alley explains why ice is cool.

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

00:00:54
Footage of a small gray whale in the Chukchi Sea near the Barrow shoreline.

00:10:32
Join Senior Scientist Paul Doherty as he explains the difference between floating ice and land ice, and why they effect sea levels differently.