From Wikipedia, the free encyclopedia

PNAS profile: [1]

Comet collision: [2] [3] [4] [5] [6] [7] [8] [9] [10]

Methane and greenhouse effect: [11] [12]

Gateway hypothesis: [13] Google Scholar citations: [14]

References

  1. ^ Davis, T. H. (31 January 2007). "Profile of James P. Kennett". Proceedings of the National Academy of Sciences. 104 (6): 1751–1753. doi: 10.1073/pnas.0609142104.
  2. ^ "Ice Age blast 'ravaged America'". BBC News. 21 May 2007. Retrieved 23 September 2017.
  3. ^ Borrell, Brendan (20 July 2009). "Did a Comet Cause a North American Die-Off around 13,000 Years Ago?". Scientific American. Retrieved 23 September 2017.
  4. ^ Dalton, Rex (14 May 2011). "Comet Theory Comes Crashing to Earth". Pacific Standard. Retrieved 23 September 2017.
  5. ^ Jones, Nicola (3 September 2013). "Evidence Found for Planet-Cooling Asteroid 12,900 Years Ago". Scientific American. Retrieved 23 September 2017.
  6. ^ Cohen, Julie (9 March 2017). "Heavy Metal". The UCSB Current. University of California Santa Barbara. Retrieved 23 September 2017.
  7. ^ Cohen, Julie (13 April 2017). "Did a comet cause freeze that killed mammoths? - Futurity". Futurity. Retrieved 23 September 2017.
  8. ^ Achenbach, Joel (2 January 2009). "Gems Point to Comet as Answer to Ancient Riddle". Washington Post. Retrieved 23 September 2017.
  9. ^ Bentley, Molly (2009). "Diamond clues to beasts' demise". BBC News. Retrieved 23 September 2017.
  10. ^ Roach, John (23 June 2010). "Fungi, Feces Show Comet Didn't Kill Ice Age Mammals?". National Geographic. Retrieved 23 September 2017.
  11. ^ Yamamura, Jean (4 January 2016). "Warming Icy Methane Adds to Greenhouse Effect". Santa Barbara Independent. Retrieved 23 September 2017.
  12. ^ Gallessich, Gail (19 July 2006). "Gas Escaping From Ocean Floor May Drive Global Warming". The UCSB Current. Retrieved 23 September 2017.
  13. ^ "Shutting the door on Gateway Hypothesis - ScienceBlog.com". ScienceBlog. 8 September 2014. Retrieved 23 September 2017.
  14. ^ "James P. Kennett - Google Scholar Citations". scholar.google.com. Retrieved 23 September 2017.

External links