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00:14:00
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.

00:07:10
Seasonal cycles and winter storms bring extra-high "king tides" that can swamp coastal structures and habitats. What’s a coastal dweller to do? Take pictures! It’s no joke: Educators from the California King Tides Initiative explain how citizen snapshots can be of real value to researchers and policy makers.

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.

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

00:30:00
Tardigrades are amazing creatures that can withstand the most extreme conditions on Earth, as well as the vacuum of space! This unique and charismatic animal has the ability to survive in a variety of situations. In today's program, Exploratorium scientist Karen Kalumuck will continue our programming about life in extreme environments as it relates to the search for 'habitability' on Mars.

00:30:00
In today's program, Exploratorium scientists Paul Doherty and Karen Kalumuck will look at examples of life in extreme environments on Earth. As Mars is an extreme environment, the question remains-could it have supported any form of microbial life?

00:30:00
Why is water, or evidence of water, so important to the Mars missions? Join Exploratorium scientists Ron Hipschman and Karen Kalumuck as they examine water as one of the building blocks for life and what previous Mars missions have discovered about water on the red planet.

00:04:05
On the cliffs above San Francisco's Ocean Beach perches a landmark observatory—a giant camera obscura. Step inside with Robert Tacchetto and see how this centuries-old technology creates enchanting images of the outside world.

00:03:51
Virtual worlds have physics. In this exhibit a visitor knocks over a small domino which knocks over a larger domino and so on down an exponentially growing line of dominoes which all the while obey the laws of physics.

Virtual Worlds are social spaces--music and dancing are ubiquitous, and so we made an exhibit that mixes a unique color for every avatar into a blend of colors when they dance together.