Re: [FRIAM] Sperm pelotons; article in Nature

2010-03-29 Thread Hugh Trenchard
, March 27, 2010 2:54 PM Subject: Re: [FRIAM] Sperm pelotons; article in Nature Hugh, Very interesting model! One of my doctoral adviser's, Jeffrey Schank has demonstrated repeatedly that scientists are very bad at predicting what 'chance' looks like when trying to do experiments involving

Re: [FRIAM] Sperm pelotons; article in Nature

2010-03-29 Thread Douglas Roberts
@redfish.com *Sent:* Saturday, March 27, 2010 2:54 PM *Subject:* Re: [FRIAM] Sperm pelotons; article in Nature Hugh, Very interesting model! One of my doctoral adviser's, Jeffrey Schank has demonstrated repeatedly that scientists are very bad at predicting what 'chance' looks like when trying

Re: [FRIAM] Sperm pelotons; article in Nature

2010-03-29 Thread Nicholas Thompson
Subject: Re: [FRIAM] Sperm pelotons; article in Nature Thanks Eric for taking the time to look through my post. For Nick's last post, I am not entirely sure what a genefur is, although it sounds like it is a reference to an inherent genetic trait, as you also discuss. Yes, I agree it will help

Re: [FRIAM] Sperm pelotons; article in Nature

2010-03-29 Thread Nicholas Thompson
://home.earthlink.net/~nickthompson/naturaldesigns/ http://www.cusf.org [City University of Santa Fe] - Original Message - From: Douglas Roberts To: The Friday Morning Applied Complexity Coffee Group Sent: 3/29/2010 9:48:32 AM Subject: Re: [FRIAM] Sperm pelotons; article in Nature Does

Re: [FRIAM] Sperm pelotons; article in Nature

2010-03-29 Thread Roger Critchlow
, March 27, 2010 2:54 PM *Subject:* Re: [FRIAM] Sperm pelotons; article in Nature Hugh, Very interesting model! One of my doctoral adviser's, Jeffrey Schank has demonstrated repeatedly that scientists are very bad at predicting what 'chance' looks like when trying to do experiments involving

Re: [FRIAM] Sperm pelotons; article in Nature

2010-03-29 Thread Douglas Roberts
- *From:* ERIC P. CHARLES e...@psu.edu *To:* Nicholas Thompson nickthomp...@earthlink.net *Cc:* Hugh Trenchard htrench...@shaw.ca ; friam@redfish.com *Sent:* Saturday, March 27, 2010 2:54 PM *Subject:* Re: [FRIAM] Sperm pelotons; article in Nature Hugh, Very interesting model! One of my

Re: [FRIAM] Sperm pelotons; article in Nature

2010-03-29 Thread ERIC P. CHARLES
= href=#Nicholas Thompson/a Cc: a title= href=#friam@redfish.com/a Sent: 3/29/2010 9:42:09 AM Subject: Re: [FRIAM] Sperm pelotons; article in Nature Thanks Eric for taking the time to look through my post. For Nick's last post, I am not entirely sure what a genefur is, although it sounds

Re: [FRIAM] Sperm pelotons; article in Nature

2010-03-29 Thread Steve Smith
Nick - Doug, Clearly you have never looked closely at Sperm under a microscope. That is not what his middle school science teacher told me! - Steve FRIAM Applied Complexity Group listserv Meets Fridays

Re: [FRIAM] Sperm pelotons; article in Nature

2010-03-29 Thread Pamela McCorduck
This man is a treasure. Yeah, you, Doug. On Mar 29, 2010, at 2:30 PM, Douglas Roberts wrote: Gentlemen, It was certainly not my intention to hijack this thread... --Doug On Mon, Mar 29, 2010 at 12:22 PM, Steve Smith sasm...@swcp.com wrote: Nick - Doug, Clearly you have never looked

Re: [FRIAM] Sperm pelotons; article in Nature

2010-03-29 Thread Vladimyr Ivan Burachynsky
-Original Message- From: friam-boun...@redfish.com [mailto:friam-boun...@redfish.com] On Behalf Of Hugh Trenchard Sent: March 29, 2010 10:42 AM To: ERIC P. CHARLES; Nicholas Thompson Cc: friam@redfish.com Subject: Re: [FRIAM] Sperm pelotons; article in Nature Thanks Eric for taking the time

Re: [FRIAM] Sperm pelotons; article in Nature

2010-03-29 Thread Nicholas Thompson
P. CHARLES To: Nicholas Thompson Cc: Hugh Trenchard; Friam@redfish.com Sent: 3/29/2010 11:13:31 AM Subject: Re: [FRIAM] Sperm pelotons; article in Nature But Nick, Hugh's point is that we DO NOT need trait-group selection to explain the clustering sperm. We merely need sperm to swim

Re: [FRIAM] Sperm pelotons; article in Nature

2010-03-29 Thread Hugh Trenchard
, March 29, 2010 10:13 AM Subject: Re: [FRIAM] Sperm pelotons; article in Nature But Nick, Hugh's point is that we DO NOT need trait-group selection to explain the clustering sperm. We merely need sperm to swim in the same direction, AND have a variety of abilities. Given that alone, Hugh

Re: [FRIAM] Sperm pelotons; article in Nature

2010-03-29 Thread Nicholas Thompson
://home.earthlink.net/~nickthompson/naturaldesigns/ http://www.cusf.org [City University of Santa Fe] - Original Message - From: Hugh Trenchard To: ERIC P. CHARLES;Nicholas Thompson Cc: Friam@redfish.com Sent: 3/29/2010 4:58:42 PM Subject: Re: [FRIAM] Sperm pelotons; article in Nature

Re: [FRIAM] Sperm pelotons; article in Nature

2010-03-29 Thread Douglas Roberts
Practically my philosophy of life. No coincidence that Wally (Dilbert comic strip) is my main hero. On Mon, Mar 29, 2010 at 6:45 PM, Vladimyr Ivan Burachynsky vbur...@shaw.cawrote: The cunning riders peel off very quickly and work themselves back into the pack and try and hang in but out of

Re: [FRIAM] Sperm pelotons; article in Nature

2010-03-27 Thread Hugh Trenchard
- Original Message - From: Nicholas Thompson nickthomp...@earthlink.net To: friam@redfish.com Sent: Friday, March 26, 2010 8:04 PM Subject: Re: [FRIAM] Sperm pelotons; article in Nature This is fun to think about. Hopefully, REC will help me: Is there a paradox here. let

Re: [FRIAM] Sperm pelotons; article in Nature

2010-03-27 Thread Nicholas Thompson
...@shaw.ca To: nickthomp...@earthlink.net; The Friday Morning Applied Complexity Coffee Group friam@redfish.com Date: 3/27/2010 10:54:41 AM Subject: Re: [FRIAM] Sperm pelotons; article in Nature Thanks for taking a peek at my post. Great questions, and they help me to see how/where my

Re: [FRIAM] Sperm pelotons; article in Nature

2010-03-27 Thread ERIC P. CHARLES
To: nickthomp...@earthlink.net; The Friday Morning Applied Complexity Coffee Group friam@redfish.com Date: 3/27/2010 10:54:41 AM Subject: Re: [FRIAM] Sperm pelotons; article in Nature Thanks for taking a peek at my post. Great questions, and they help me to see how/where my descriptions can

Re: [FRIAM] Sperm pelotons; article in Nature

2010-03-27 Thread Nicholas Thompson
/27/2010 3:54:23 PM Subject: Re: [FRIAM] Sperm pelotons; article in Nature Hugh, Very interesting model! One of my doctoral adviser's, Jeffrey Schank has demonstrated repeatedly that scientists are very bad at predicting what 'chance' looks like when trying to do experiments involving

[FRIAM] Sperm pelotons; article in Nature

2010-03-26 Thread Hugh Trenchard
On February 12, Roger Critchlow posted a reference to sperm pelotons, which inspired me to read the Nature article and to think a bit about how principles of peloton interactions could be applied to sperm aggregations. I've outlined some thoughts below.

Re: [FRIAM] Sperm pelotons; article in Nature

2010-03-26 Thread Nicholas Thompson
://www.cusf.org [City University of Santa Fe] [Original Message] From: Hugh Trenchard htrench...@shaw.ca To: The Friday Morning Applied Complexity Coffee Group friam@redfish.com Date: 3/26/2010 8:38:22 PM Subject: [FRIAM] Sperm pelotons; article in Nature On February 12, Roger Critchlow