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00:53:00
Cheer on the competitors in this zany science cook-off, where teachers compete before a live webcast audience for the sought-after title, "Iron Science Teacher."

00:20:00
Join us on the web or in person for a live chat with scientists and educators on board the Exploration Vessel Nautilus. **Please note that we did have some problems with our audio connection to the ship that was 3000 miles away from the Exploratorium.**

Join us on the web or in person for a live chat with scientists and educators on board the Exploration Vessel Nautilus.

00:30:00
Cheer on the competitors in this zany science cook-off, where teachers compete before a live webcast audience for the sought-after title, "Iron Science Teacher."

00:20:00
Join us on the web or in person for a live chat with scientists and educators on board the Exploration Vessel Nautilus as it explores a part of Galapagos that Darwin never saw: deep ocean communities and hydrothermal vents of the Galapagos Rift Zone.

00:22:00
Recorded live at the Exploratorium 2015 An element for the modern age, lightweight lithium is commonly used in rechargeable batteries, fireworks, and medications for treating bipolar disorder. Lithium is highly reactive, and has served as a fuel source for nuclear weapons as well as a cooling agent in nuclear reactors. See its scarlet contributions to pyrotechnics, and discuss its divided reputation as being both restorative and potentially toxic to our health.

00:14:00
Recorded live at the Exploratorium 2015 Zeke Kossover is a Teacher-in-Residence at the Exploratorium Teacher Institute, where he trains and supports coaches and mentors who work with novice science teachers in the classroom. For fun, he puts on physics circus shows that work as magic shows in reverse--making confusing things easy to understand.

00:24:55
Recorded live at the Exploratorium 2015 Plumb the dark and dangerous worlds of commercial diving and marine construction with Thomas Belcher, President of Underwater Resources, Inc., and learn how helium enables deep-sea divers to safely breathe under pressure.

00:19:43
Recorded live at the Exploratorium 2015 Helium is the second most abundant element in the universe. Then why is there a global helium shortage? Follow the trail of our spendthrift affair with this elusive noble gas, and find out why its future remains up in the air. Learn about helium’s many uses, from cooling magnets in MRI machines to enabling deep-sea divers to safely breathe under pressure.

00:25:23
Featuring: A People's History of the Periodic Table with Paul Stepahin