‘Arsenic-life’ bacterium prefers phosphorous after all, Nature “Tawfik says that he was shocked by how good the proteins were at discriminating between the essential phosphate and the deadly arsenate. This […]
arsenic
Posted inAstrobiology
NASA's Big Arsenic-Based Life Claim Was Wrong
Absence of Detectable Arsenate in DNA from Arsenate-Grown GFAJ-1 Cells, Science GFAJ-1 Is an Arsenate-Resistant, Phosphate-Dependent Organism, Science Discovery of an arsenic-friendly microbe refuted, USA Today “The discovery of an […]
Posted inAstrobiology
Doubt Grows About NASA's Arsenic-based Life Claims
Study challenges existence of arsenic-based life, Nature “A group of scientists, led by microbiologist Rosie Redfield at the University of British Columbia in Vancouver, Canada, have posted data on Redfield’s […]
Posted inAstrobiology
Video: Ke$ha Meets Astrobiology
Video: Ke$ha “We R Who We R” parody – “Astrobiology “Are we alone in the universe? Find out all about the search for extraterrestrial life in this educational parody of […]
Posted inAstrobiology
Arsenic, Astrobiology, NASA, and the Media
Exclusive Interview: Discoverer of Arsenic Bacteria, in the Eye of the Storm, Science Now “Q: So, NASA approached you about doing a press conference, and you thought that was a […]
Posted inAstrobiology
NASA Researchers Start To Backtrack on Earlier Claims
Study on arsenic-based life takes a beating on the Web, Washington Post “Linda Billings, a George Washington University research scientist and NASA consultant on media issues, said that based on […]
Posted inAstrobiology
Snarky NASA SMD Response to Snarky Public Astrobiology Discussion
The Wrong Stuff: NASA Dismisses Arsenic Critique Because Critical Priest Not Standing on Altar, Wired “What he fails to see or refuses to acknowledge is that Rosie Redfield is a […]
Posted inNews
Weird Arsenic-Eating Microbes Discovered? Yes. Finding E.T.? No.
NASA-Funded Astrobiology Research Discovers Earth Life Built With Arsenic, NASA “NASA-funded astrobiology research has changed the fundamental knowledge about what comprises all known life on Earth. Researchers conducting tests in […]
Posted inAstrobiology
"Life As We Know It", Redefined
Keith’s note: Multiple, reliable sources within the Astrobiology community tell me that NASA’s Astrobiology announcement tomorrow concerns Arsenic-based biochemistry and the implications for the origin of life on Earth, how […]