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Path: ...!weretis.net!feeder8.news.weretis.net!newsfeed.xs3.de!nntp-feed.chiark.greenend.org.uk!ewrotcd!news.eyrie.org!beagle.ediacara.org!.POSTED.beagle.ediacara.org!not-for-mail From: Ernest Major <{$to$}@meden.demon.co.uk> Newsgroups: talk.origins Subject: Re: Lenski experiments: an important correction Date: Fri, 10 May 2024 22:05:19 +0100 Organization: A noiseless patient Spider Lines: 47 Sender: to%beagle.ediacara.org Approved: moderator@beagle.ediacara.org Message-ID: <v1m26e$1ike2$1@dont-email.me> References: <v1m078$1i7fl$1@dont-email.me> Reply-To: {$to$}@meden.demon.co.uk MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Info: beagle.ediacara.org; posting-host="beagle.ediacara.org:3.132.105.89"; logging-data="56456"; mail-complaints-to="usenet@beagle.ediacara.org" User-Agent: Mozilla Thunderbird To: talk-origins@moderators.isc.org Cancel-Lock: sha1:q3haS3vXNoLzXRCdLZNDq8HM7Ys= Return-Path: <news@eternal-september.org> X-Original-To: talk-origins@ediacara.org Delivered-To: talk-origins@ediacara.org id BFA42229786; Fri, 10 May 2024 17:05:25 -0400 (EDT) by beagle.ediacara.org (Postfix) with ESMTPS id 8BF72229767 for <talk-origins@ediacara.org>; Fri, 10 May 2024 17:05:23 -0400 (EDT) by moderators.individual.net (Exim 4.97) for talk-origins@moderators.isc.org with esmtps (TLS1.3) tls TLS_AES_256_GCM_SHA384 (envelope-from <news@eternal-september.org>) id 1s5XQm-00000001IuM-3tO5; Fri, 10 May 2024 23:05:29 +0200 id 5A206DC01A9; Fri, 10 May 2024 23:05:19 +0200 (CEST) X-Injection-Date: Fri, 10 May 2024 23:05:19 +0200 (CEST) Content-Language: en-GB X-Auth-Sender: U2FsdGVkX1/LFWrKCc2uAeOgl6oHNFECJFw3+ketezT9AN0wFyWe92dmilTJA2kIsijjRg/UfH4D4QWrM9/SQg== In-Reply-To: <v1m078$1i7fl$1@dont-email.me> Bytes: 4337 On 10/05/2024 21:31, Arkalen wrote: > I recently found out that Richard Lenski of the eponymous long-term > E.coli evolution experiment had a blog, and in it I found a correction I > thought was relevant to the way those experiments are typically invoked > as evidence in evolution/creationism debates: > > https://telliamedrevisited.wordpress.com/2024/04/01/a-small-correction/ > > I hope we'll all have the integrity to take this new information into > account properly. Did you look at the date? I suspect it's an April Fool. (Or did you identify it as an April Fool, and ran with it?) > > > "Since transferring the LTEE to Jeff Barrick’s lab at UT-Austin in 2022, > we’ve been going over the old lab notebooks, making sure everything > looks good. It turns out, though, that I made a small error when I > started the LTEE back in 1988. I thought that transferring 10 ml into 10 > ml was a hundred-fold dilution because there’s a 0 right there after > each of the 1s, and 100 has two zeros. QED: a hundred-fold dilution. Right? > > Well, it turns out I was a bit off. That’s only a two-fold dilution > because, apparently, the correct way to do the math is 10 / (10 + 10) = > 1/2. Who knew? New math, I guess. Anyhow, everyone in the lab thought I > had figured it out, since I was the perfesser, and they just kept doing > the same thing all these years. So instead of 75,000 generations, it was > only something like 11,250 when we sent the ^H^H^H^H^H^Hstupid amazing > LTEE to Taxes. Oh well, still a big number. > > We also discovered another tiny error. You know, I always thought some > ^H^H^H^H^H^Hsucker hard-working student came in and did the transfers on > weekends and holidays. I never quite knew who it was, but I figured > someone did the ^H^H^H^H^H^Hunpaid ^H^H^H^work transfers. Well, it turns > out, not so much. OK, never. Fridays were ok at 40%, and Mondays were > even better at 53%. On Tuesdays, we maxed out at 73%. Not bad! We > trailed off a tad at 59% and 47% on Wednesdays and Thursdays. > > Anyhow, after correcting for these tiny oversights, the LTEE had gone > past 4,300 generations before we sent it down to Taxes. Speaking of > Taxes, I hope I don’t get audited again this year. But I hear you can > stall if you’re a big shot. Being a PI qualifies, right?" > -- alias Ernest Major