Re: [ECOLOG-L] life that uses Arsenic in place of phosphorus

2010-12-10 Thread Briana Abrahms
In response to Malcolm McCallum's post on the NASA-funded study on bacteria that live off arsenic in place of phosphorus, I agree that the media has greatly hyped up its conclusions. Furthermore, I want to bring attention to the strong criticisms of the study among many microbiologists, one s

[ECOLOG-L] life that uses Arsenic in place of phosphorus

2010-12-10 Thread Hannah Waters
Regarding "arsenic life" - this work is currently under question due to methods. The central methodological issues seem to be a lack of controls and sloppy DNA extraction. I recommend you read Carl Zimmer's piece in slate and the links therein, especially Rosie Redfield's critique http://blogs.d

Re: [ECOLOG-L] life that uses Arsenic in place of phosphorus

2010-12-09 Thread Wayne Tyson
McCallum" To: Sent: Thursday, December 02, 2010 4:56 PM Subject: [ECOLOG-L] life that uses Arsenic in place of phosphorus For those who have not heard NASA today announced that research done through their exobiology program discovered a that a bacterium living in Mono Lake, California can

Re: [ECOLOG-L] life that uses Arsenic in place of phosphorus

2010-12-05 Thread Wayne Tyson
is always considered necessary to appeal to the "anti-intellectual" public, is that not an act of further dumbing it down? Who's to blame for the public's attitude? Do you see the relationship here to the opening rant? I have other questions, but I'll hold 'em. WT

[ECOLOG-L] life that uses Arsenic in place of phosphorus

2010-12-02 Thread malcolm McCallum
For those who have not heard NASA today announced that research done through their exobiology program discovered a that a bacterium living in Mono Lake, California can use Arsenic in place of phosphorus. This is being pretty hyped in the news as a new form of life. I think the aspect regardi