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6:50
How do cancer cells misbehave? Watch and listen as cancer researcher Dr. Thea Tlsty explains how genetic blips turn cancer cells into the rogues they are.

5:49
From fertilization to pregnancy tests, watch and listen as Xenopus researcher Dr. Thierry Brassac shows how these creatures, with their enormous eggs cells and their acts of metamorphosis, have been helping scientists for centuries.

6:48
The water-dwelling planaria can lose its head and regrow a new one. Watch and listen as planaria researcher Alejandro Sanchez Alvarado explains how a little flatworm's might teach us about our own regenerative potential.

Hear stem cell researcher Bruce Conklin explain why this science is important and what it's like to watch newly grown heart cells beat in a culture dish late at night.

00:03:45
A tattoo lasts a lifetime, thanks to your white blood cells. Watch and listen as researcher Mike McGrath explains how these warrior cells protect you from disease—and keep body art intact.

00;05:41
What's so special about the sea urchin? Watch and listen as urchin researcher Fred Wilt describes the things he and others observe under the microscope.

00:26:04
Want to get off the grid but think it’s just too expensive? UCB's Dr. Jeff Grossman explains how nanotechnology may be used to make solar panels cheaper. We’ll also hear from philosopher Patrick Lin of the Nanoethics Group about ethical dilemmas that crop up when we try to improve our lives through nanotechnology.

00:26:48
This full-length podcast gives you the full flavor of our Summer Institute. Our staff will tell you about our special month-long Institute, which offers a rich mix of hands-on activities based on Exploratorium exhibits, in-depth content discussions, classroom materials and activities, and machine shop experience. In this podcast, teacher participants tell you what they think about the Summer Institute and how it affected them.

00:11:17
If you’re in a rush, this truncated version will give you information about our Summer Institute, but with less commentary from staff and participants than the full version.

00:34:10
A series of sometimes fiery demonstrations shows what the pressure and composition of Venus’s atmosphere are like. This program was presented in conjunction with the Exploratorium’s webcast of the 2004 transit of Venus.