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00:12:40
For our first episode in a new season of "Science in the City," we explore the creation of a bell for the Exploratorium’s new home at Pier 15. Artist Nick Diphillipo has been designing and casting bells and other objects for over thirty years. He teaches bell making at The Crucible in Oakland, California, as well as other foundry-related subjects.

00:30:00
In February 2013, Curiosity drilled into a rock called "John Klein" and then analyzed the sample material with its on-board scientific instruments. On March 12, NASA announced that the analyses show conditions on Mars were once favorable for life! Join us to learn more about this breakthrough discovery.

00:00:30
On Mars, as on Earth, sometimes things can take on an unusual appearance. A case in point is a shiny-looking rock seen in a recent image from NASA's Curiosity Mars rover.

00:01:32
Ongoing through March 31, 2013 | Times and locations TBA Location: Multiple locations in San Francisco; for specific locations, follow @theexplainers on Twitter. In the months before our grand opening, orange-vested Explainers will bring the Exploratorium experience to unexpected spots around San Francisco. These weekly site-specific activities will be designed to make you notice and engage with the world around you, and to shake you out of your normal, everyday routines. Explainers will help you notice clouds at Aquatic Park, find north without a compass at Ghirardelli Square, experience our mobile Camera Obscura in Union Square, and challenge your sense of perception out in the neighborhoods. In January locations will vary; in February and March, look for those orange vests along the Embarcadero, in front of Pier 15. Music by Pat Spurgeon

00:30:00
Curiosity has made a discovery! What could it be? Why are JPL scientists keeping this breaking news classified for now? Exploratorium host and Mars enthusiast Robyn Higdon and Ron Hipshman will give you a refresher on Curiosity's SAM instrument and will discuss the process that scientists at JPL must endure before releasing this ground breaking discovery to the public.

00:02:48
Riotously colorful bacteria and mobile mosses meet carnivorous plants and rotting carcasses in this impressionistic journey through the Life Sciences area at the Exploratorium.

01:00:00
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
Exploratorium host and Mars enthusiast Robyn Higdon gives us a tour of the Mars Science Laboratory Mission thus far, what the Curiosity rover is doing now, and what to look forward to in the months to come.

00:15:00
En el programa de hoy, científicos del Exploratorium presentarán ejemplos de extremófilos – microrganismos que viven en condiciones extremas en la Tierra. Como Marte es un ambiente extremo, la pregunta sigue siendo, ¿podría el planeta rojo haber sustentado alguna forma de vida microbiana? Infórmate en nuestro webcast en vivo.

00:07:03
Southeast of San Francisco, on the way out to California's Central Valley, thousands of wind turbines dot the landscape of Altamont Pass. Mounted both in rows and individually, machines with large propellers catch the wind, turning round and round at different speeds. Learn how wind energy is generated and stored for use in this most peculiar area, and its impact on living things both near and far.