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Experimental physicist Carl Haber restores antique audio recordings too old, fragile, or damaged to be otherwise replayed—including recordings made in wax, soot, and foil. Using optical scanning technologies from his work at CERN in Switzerland, Haber has recovered and preserved a diverse collection of deteriorating sonic artifacts, voices from the past that otherwise would have been lost.

Catch one of the After Dark: Sexplorations highlights from February 6, 2014! Watch as Exploratorium Biologists, Karli Woodward and Caitlin Johnson demonstrate a live sea urchin fertilization.

In this short interview with Dan Goods, designer, artist, and visual strategist at NASA's Jet Propulsion Laboratory, Goods discusses his art piece, "Jupiter Fog Pool." The piece, inspired by the Juno mission to Jupiter, was part of "Cosmological Constructs," our After Dark event of September 2010.

TI teacher coach Zeke Kossover explains how he uses short, focused lab activities to really get concepts across to his students.

Get a special sneak peek at the Exploratorium's lab. Living Systems' Caitlin Johnson shares this space where public is not allowed. Today's Live from the Lab highlights the museum's "warm room," where plants are grown, eggs are incubated, and zebrafish are farmed. Th Exploratorium's lab is an unusual museum feature, allowing a greater variety of programs and exhibits about biology.

In an exclusive taped interview, Hubble payload commander and astronaut John Grunsfeld discusses how astronauts who'll be servicing a telescope in space train in a giant pool at the Johnson Space Center. We'll also show an interview with space engineer Amy Ross, filmed in the space suit laboratory at Johnson.