Arseniclife

512 views
485 views

Published on

Rosie Redfield did a 5 minute review of the #arseniclife events. There are 20 slides in 5 minutes, with each slide advancing automatically after 15 seconds.

Published in: Technology, Education
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total views
512
On SlideShare
0
From Embeds
0
Number of Embeds
122
Actions
Shares
0
Downloads
0
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide
  • Might they be living unseen in the slime and scum? Might they have different chemistry? Independent solutions to the problems of living?
  • The life we know arose only once, but maybe we don’t know about the Shadow Biosphere! Maybe undiscovered life forms exist that arose independently!
  • arsenic-rich sediments of California’s Mono Lake
  • Arseniclife

    1. 1. A Tragedy in 3 Acts
    2. 2. Prologue. The Shadow Biosphere
    3. 3. ? ?
    4. 4. ? ? 6 C 14 15 Si P 33 As ?
    5. 5. Act I. Out of the Shadows Mono Lake mud
    6. 6. +As -P
    7. 7. Act II. The Spotlight SCIENCE A Bacterium That Can Grow by Using Arsenic Instead of PhosphorusFelisa Wolfe-Simon, Jodi SwitzerBlum, Thomas R. Kulp, Gwyneth W.Gordon, Shelley E. Hoeft, JenniferPett-Ridge, John F. Stolz, Samuel M.Webb, Peter K. Weber, Paul C. W.Davies, Ariel D. Anbar, and Ronald S.Oremland PRESS CONFERENCE
    8. 8. Act III.Downfall and Disgrace
    9. 9. 6.02 x 1023 P per mol2 P/bp |
    10. 10. Arsenic in thegel, not in the DNA?
    11. 11. Phosphate Arsenate
    12. 12. ?
    13. 13. Precipicirreprodue ofresultcibles
    14. 14. GFAJ-1 DNA ...negative mode, full scan, high mass resolution +As liquid chromatography-mass-As +As -P -As +P -P spectrometry analysis... +P
    15. 15. Absence of arsenate in DNA from arsenate- grown GFAJ-1 cells.Marshall Louis Reaves, SunitaSinha, Joshua D.Rabinowitz, LeonidKruglyak, andRosemary J. Redfield. SCIENCE ...
    16. 16. Space aliens Textbooks are made of have errors! arsenic! Astrobiology breakthrough! Increase NASAIntelligently budget! This is how designed science is supposed life! to work... Scientists wrong again!
    17. 17. Open Open Access Science Public UnderstandiSocial Scienc ng ofMedia e Science Main- Peer stream Review Media

    ×