Subsisting on Arsenic, a Microbe May Redefine Life

Scientists said Thursday that they had trained a bacterium to eat and grow on a diet of arsenic, in place of phosphorus — one of six elements considered essential for life — opening up the possibility that organisms could exist elsewhere in the universe or even here on Earth using biochemical powers we have not yet dared to dream about. Full Story »

Posted by Jon Mitchell - via Jen Preston, New York Times (Most Emailed), Google News (Sci/Tech), Kristi Hancock (t), Tshiung Han See (t), Peter Avalos (t), George Moga (t), Joe Bonner (t), Ish Harshawat (t), Willie Bido (t), Salvador Sala (t), Thanh Tran (t), Patrick McDermott (t), JR Russ (t), David Wardell (t), Fabrice Florin (f), Gian Antelles (f), Steven K Samra (f), Jon Mitchell (f), David Fox (f)

See All Reviews »

See All Reviews »

Ellie's Rating

Overall
4.0

Good
from 13 answers
Quality
3.9
Facts
4.0
Fairness
4.0
Information
4.0
Sourcing
4.0
Style
4.0
Accuracy
4.0
Context
4.0
Expertise
4.0
Originality
2.0
Transparency
4.0
Responsibility
4.0
Popularity
4.5
Recommendation
4.0
Credibility
5.0
More How our ratings work »