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Spaceflight Alters Bacterial Social Networks
Topic: Extreme Life
08/17/13
Summary: During human missions in orbit, astronauts are joined by an entourage of microbial travelers. Now, a new study is helping to reveal how spaceflight changes the behavior of bacterial communities.

Exploring the World of Life Underground
Topic: Extreme Life
07/22/13
Summary: Future life-seeking missions on other worlds may be in for a tough time if all evidence of past or present life is below the surface. In a talk at given for the STScI Astrobiology Lecture Series, Jan Amend discussed how his team is taking the next step in studying microbes that have conquered the subsurface of the Earth, and how techniques will need to be perfected before they can be successfully used on another planet.

Illuminating Biology's 'Dark Matter'
Topic: Extreme Life
07/17/13
Summary: New technology that allows DNA sequencing of genomes isolated from single cells are helping scientists explore uncharted branches in the bacterial and archaeal tree of life.

As Ice Disappears, Life in the Frigid Antarctic Moves Fast
Topic: Extreme Life
07/14/13
Summary: While surface ice is disappearing in Antarctica, a fast-growing community of glass sponges is colonizing new areas of the seafloor. Previously, the organisms were though to live long, slow lives.

In Subglacial Lake, Surprising Life Goes On
Topic: Extreme Life
07/09/13
Summary: Scientists have revealed that a surprising variety of organisms are living and reproducing Antarctica's Lake Vostok. The lake is buried under a glacier, and scientists study it to learn about how life could survive beneath the ice of other worlds like Jupiter's moon Europa.

The Ecology of the Plastic-sphere
Topic: Extreme Life
07/02/13
Summary: Scientists have found that flecks of plastic polluting the oceans are inhabited by diverse microbial colonies. The vast flotilla of microorganisms has been dubbed the 'plastisphere.'

Travelogue from Young Researchers in the Field
Topic: Extreme Life
06/27/13
Summary: The Lewis and Clark Fund for Exploration and Field Research in Astrobiology fosters the "pioneering" efforts of graduate students and post-doctorate researchers as they step out of the lab and into the field.

An Ecosystem in Deep, Ancient Mud
Topic: Extreme Life
06/21/13
Summary: Scientists have identified living cells from more than 500 feet beneath the seafloor in 5 million-year-old sediments. The organisms include archaea, bacteria and eukaryotes.

Thermal Limit of Animal Life Redefined
Topic: Extreme Life
06/04/13
Summary: The first laboratory study of Pompeii worms, heat-loving organisms that live near deep-sea vents, indicates that the optimal termpertaure for their survival is well over 42 degrees Celsius.

Water-Rock Reactions Could Be 'Food' for Life on Mars
Topic: Extreme Life
06/02/13
Summary: A new study indicates that chemical reactions between iron-containing minerals and water might produce hydrogen "food" to sustain microorganisms below the ocean floor. The findings also hint at the potential for hydrogen-dependent life on ancient Mars.

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