Path: ...!feeds.phibee-telecom.net!2.eu.feeder.erje.net!feeder.erje.net!feeds.news.ox.ac.uk!news.ox.ac.uk!nntp-feed.chiark.greenend.org.uk!ewrotcd!news.eyrie.org!beagle.ediacara.org!.POSTED.beagle.ediacara.org!not-for-mail From: Arkalen Newsgroups: talk.origins Subject: Re: Lenski experiments: an important correction Date: Sat, 11 May 2024 00:00:49 +0200 Organization: A noiseless patient Spider Lines: 58 Sender: to%beagle.ediacara.org Approved: moderator@beagle.ediacara.org Message-ID: References: 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="57774"; mail-complaints-to="usenet@beagle.ediacara.org" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.14.0 To: talk-origins@moderators.isc.org Cancel-Lock: sha1:5UrH5jVxvC+JjirDiURdKGcf0Do= Return-Path: X-Original-To: talk-origins@ediacara.org Delivered-To: talk-origins@ediacara.org id 959C9229786; Fri, 10 May 2024 18:00:53 -0400 (EDT) by beagle.ediacara.org (Postfix) with ESMTP id 7175F229767 for ; Fri, 10 May 2024 18:00:51 -0400 (EDT) id 948CE5DC4A; Fri, 10 May 2024 22:00:57 +0000 (UTC) Delivered-To: talk-origins@moderators.isc.org by mod-relay-1.kamens.us (Postfix) with ESMTPS id 734175DC40 for ; Fri, 10 May 2024 22:00:57 +0000 (UTC) id 5DC27DC01A9; Sat, 11 May 2024 00:00:52 +0200 (CEST) X-Injection-Date: Sat, 11 May 2024 00:00:52 +0200 (CEST) X-Auth-Sender: U2FsdGVkX1/HsjTsDZXNiJUp2uoTFbBec5jiw61Rn3U= Content-Language: en-US In-Reply-To: Bytes: 4838 On 10/05/2024 23:05, Ernest Major wrote: > 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?) I did eventually figure it out but I'm embarrassed to admit which paragraph it was at. (also the previous post isn't at the same date but I also suspect isn't completely in earnest. I think maybe Richard Lenski might be a funny guy) (EDIT I'm keeping the previous parenthetical for integrity's sake but the previous post actually *is* at the same date. How am I such a, um, what's the term again, "hard-working student") >> >> >> "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?" >> >