Path: news.eternal-september.org!eternal-september.org!feeder3.eternal-september.org!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: Evolution in the laboratory Date: Tue, 25 Mar 2025 10:29:43 +0000 Organization: A noiseless patient Spider Lines: 12 Sender: to%beagle.ediacara.org Approved: moderator@beagle.ediacara.org Message-ID: Reply-To: {$to$}@meden.demon.co.uk MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Info: beagle.ediacara.org; posting-host="beagle.ediacara.org:3.132.105.89"; logging-data="86090"; mail-complaints-to="usenet@beagle.ediacara.org" User-Agent: Mozilla Thunderbird To: talk-origins@moderators.isc.org Cancel-Lock: sha1:BUGauiiaCnMqKzC3g5EAlAKeFOw= Return-Path: X-Original-To: talk-origins@ediacara.org Delivered-To: talk-origins@ediacara.org id 2B06D22978C; Tue, 25 Mar 2025 06:29:55 -0400 (EDT) by beagle.ediacara.org (Postfix) with ESMTPS id E5296229783 for ; Tue, 25 Mar 2025 06:29:52 -0400 (EDT) id 46CF11C086E; Tue, 25 Mar 2025 10:29:45 +0000 (UTC) Delivered-To: talk-origins@moderators.isc.org by newsfeed.bofh.team (Postfix) with ESMTPS id 3CAE81C03B2 for ; Tue, 25 Mar 2025 10:29:45 +0000 (UTC) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-256)) (No client certificate requested) by smtp.eternal-september.org (Postfix) with ESMTPS id 8F2D1622BB for ; Tue, 25 Mar 2025 10:29:43 +0000 (UTC) Authentication-Results: name/8F2D1622BB; dmarc=none (p=none dis=none) header.from=meden.demon.co.uk id 4A38ADC01CA; Tue, 25 Mar 2025 11:29:43 +0100 (CET) X-Injection-Date: Tue, 25 Mar 2025 11:29:43 +0100 (CET) X-Auth-Sender: U2FsdGVkX1/E5+5cKaY27K0UD/PXHFilqSpJ24MX1TE515h35Dn4XyjhnxQN1s5VLDmWHJmpHD7kkY35iff4ew== Content-Language: en-GB HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_BLOCKED, RCVD_IN_ZEN_BLOCKED_OPENDNS,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, URIBL_DBL_BLOCKED_OPENDNS,URIBL_ZEN_BLOCKED_OPENDNS, USER_IN_WELCOMELIST,USER_IN_WHITELIST autolearn=ham autolearn_force=no version=3.4.6 smtp.eternal-september.org An investigation of the response to regular but counteracting selection pressures. Out of 4 experimental populations, one went extinct, two reduced DNA repair/replication fidelity, and one evolved a hypermutable site at a particular locus. https://www.science.org/content/blog-post/evolving-ability-evolve -- alias Ernest Major