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image: NASA Scientists Keep Curiosity Finding Secret

NASA Scientists Keep Curiosity Finding Secret

By | November 27, 2012

The Mars rover has reportedly made a major discovery, but the world won’t know what it is until next week at the earliest.

2 Comments

image: Speaking of Science

Speaking of Science

By | September 1, 2012

September 2012's selection of notable quotes

1 Comment

image: Arsenic-based Life Challenged Again

Arsenic-based Life Challenged Again

By | January 24, 2012

An attempt to regrow the infamous GFAJ-1 bacteria, reported to incorporate arsenic into its DNA backbone, has failed.

9 Comments

image: Martian Microbes?

Martian Microbes?

By | December 16, 2011

Researchers discover microbes in Oregon thriving in extreme, Mars-like conditions.

0 Comments

image: Arsenic Bug's Genome Sequenced

Arsenic Bug's Genome Sequenced

By | December 7, 2011

Researchers have mapped out the DNA of what some scientists claim to be an arsenic loving bacterium.

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image: Arsenic-Based Life, Open to Critique

Arsenic-Based Life, Open to Critique

By | August 10, 2011

A researcher is repeating the controversial experiments that suggested a bacterium used arsenic rather than phosphorus in its DNA—with the world watching.

9 Comments

image: Meteorite hints at life’s origins

Meteorite hints at life’s origins

By | June 9, 2011

As debate continues to swirl around arsenic-loving bacteria, a space rock yields new astrobiological clues.

0 Comments

image: Arsenic-based life debate continues

Arsenic-based life debate continues

By | June 2, 2011

More than a dozen researchers voice their concerns about a 2010 paper that claims bacteria can use arsenic in place of phosphorus in its DNA and other biomolecules, such as proteins.

24 Comments

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