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Freshwater crustacean Daphnia (water flea) is a common research organism in ecology, toxicology, evolutionary developmental biology, and other fields. Credit: Projecto Agua Many crustaceans, including lobsters, crabs, and barnacles, have a cape-like shell protruding from the head that can serve a variety of roles, such as a small cave for storing eggs, or a protective shield to keep the gills moist. This shell (carapace), it has been proposed, did not evolve from a similar structure in a crustacean ancestor, but emerged de novo (or suddenly) through the rather random co-optation of genes that also determine insect wings. However, in a new study from the Marine Biological Laboratory (MBL), Research Associate Heather Bruce and Director Nipam Patel provide evidence for an alternative view: The carapace, along with other plate-like structures in arthropods (crustaceans, insects, arachnids, and myriapods) all evolved. from the lateral toe lo

WOOD HOLE, Mass. – Many crustaceans, including lobsters, crabs, and barnacles, have a cape-like shell protruding from the head that can serve a variety of roles, such as a small cave for storing eggs, or a protective shield to keep the gills moist. This shell (carapace), it has been proposed, did not evolve from a similar structure in a crustacean ancestor, but emerged de novo (or suddenly) through the rather random co-optation of genes that also determine insect wings. However, in a new study from the Marine Biological Laboratory (MBL), Research Associate Heather Bruce and Director Nipam Patel provide evidence for an alternative view: The carapace, along with other plate-like structures in arthropods (crustaceans, insects, arachnids, and myriapods) all evolved from the lateral toe lobe in a common ancestor. This evidence underpins their proposal for a new concept of how new structures evolve – which suggests that they are not so new. A study of the carapace of Daphnia crustaceans, a

After an incredible victory at The Open, coach Cameron Smith believes the Australian can become world number one. Key points: Coach Grant Field says number one ranking within Cameron Smith’s reach Smith takes a few weeks off after winning The Open at St Andrews Field believes that the US PGA Tour and LIV Golf should join forces for the sake of the players Grant Field returned to Australia on Wednesday having been alongside Smith during his victory at The Open at St Andrews earlier this week, birding six behind nine to come from behind to win. Field said it was amazing to be there to see Smith achieve “an incredible feat”. “It’s something I can’t even describe,” he told ABC Radio Brisbane. “Going into the last round he had a chance to win and as the nine defenders started to open up and become more real, we headed to the 18th green. “When he puts out and only Rory (McIlroy) comes in, and when the ball Rory doesn’t find the trophy for the eagles in the last we all go crazy. “It was amazi

Business class continues to soar to new heights, with sliding doors the norm and spacious ‘business plus’ suites occupying row 1, but this doesn’t mean the end of first class: soon. Despite a series of unprecedented challenges – the worldwide pandemic, the end of the A380 and the big four-engine Boeing 747, the ongoing delays on the Boeing 777-9 – many airlines have their next-generation first suite waiting in the wings. Singapore Airlines Boeing 777-9 first class The Singapore-flagged carrier is among several airlines intending to use the upcoming Boeing 777-9 jetliner, of which 20 have already been ordered, as a launch pad for its new first-class cabin. That launch has been pushed back by a series of delays on the 777-9 – Boeing said the late 777X is now planned to hit airlines from 2025, which could mean a 2026 debut for the SQ. The airline remains “in discussion” with Boeing over the latest schedule, but a new line of suites and seats for the 777-9 are up for grabs, said Executive

The Marvel Cinematic Universe is rolling towards its 30th film, which will be Black Panther: Wakanda Forever, due for release in November. But the landscape of the cinematic universe has been very different since the end of Endgame, with recent films delving into the comic books and previous films to find familiar and fan-favorite faces to spice up superpowered crime. Cameos are now as big a deal as the end credits scene, hinting at the entire multiverse of creative opportunities for cinematic universe brain trust. But director Taika Waititi likes to do things differently, and the cameos in his latest film Thor: Love and Thunder are a very quirky mix of Taika, old friends, and oh-my-god moments. Read on if you dare, but be warned — it’s a spoiler. Guardian of the Galaxy It’s no surprise here to anyone who has noticed (or who saw the trailer). At the end of Avengers: Endgame, which is the last time we see Thor, he flies into the intergalactic sunset as an unofficial member of the Guardi

The new Volkswagen Amarok and Ford Ranger are twins under the skin, developed in partnership. Which parts do they share – and where do they differ? 0 See 10 pictures The new Volkswagen Amarok 2023 is a “pure Volkswagen” company executives have been reassuring, though the ute shares a lot of structure and mechanics with the new Ford Ranger. As reported, the Volkswagen Amarok and Ford Ranger are products of an alliance between Volkswagen and Ford, sharing most of the floor panels, engine, transmission, and key technology and safety features – and are mostly distinguished only through exterior and interior styling. Speaking to global media, VW executives refuted the notion that the new car is simply a rebadge of its Ford twin – but rather, that almost every part customers see at the Amarok is unique to Volkswagen. See 10 pictures See 10 pictures Previously “Glass, where you look through – there we say ‘OK, let’s do it together’. Outside mirror and handle [door] handle, [they are] really