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    Little urchins, mischievous molluscs: my life as a sea champion

    “In this photo, I’m examining some of the animals in my care. I work as an ecologist at the St John’s Island National Marine Laboratory, which is sited on a small island off the coast of mainland Singapore.The tank I’m leaning over contains sand-filtered seawater pumped directly from the ocean. The baskets are kept afloat by air-filled tubes and contain white short-spined sea urchins (Salmacis sphaeroides). We keep the urchins like this so we can keep track of individuals and reduce the spread of disease.My work aims to understand the ecology of the sea urchins and other marine invertebrates and promote their conservation. My colleagues and I want to gauge how the creatures react to changes in environmental conditions, such as temperature, salinity and the pH of the water.We also host threatened species to guard against extinction: if there was an event that hurt a wild population, I’m fairly confident we could renew the natural stock.Finally, we’re exploring how we can use aquaculture to combat damage caused by the wildlife trade. Some marine species in southeast Asia, including sea urchins, are harvested from the wild for aquariums. Perhaps the animal groups we keep here could be sold into the aquarium trade directly instead.

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    Mammoth challenge: why we called our de-extinction company Colossal Biosciences

    Colossal Biosciences as a company name was picked to engage children, says chief executive Ben Lamm.Credit: Colossal BiosciencesThe meaning behind our monikerColossal Biosciences, in Dallas, Texas, describes itself as the world’s first de-extinction company. It aims to revive lost species using CRISPR gene-editing technology, including the mammoth (Mammuthus spp.). It attracted controversy when it announced it has ‘de-extincted’ the dire wolf (Aenocyon dirus), a large-bodied wolf species that last roamed North America during the ice age that ended some 11,500 years ago. Its co-founders are technology entrepreneur Ben Lamm, Colossal’s chief executive, and George Church, the company’s genetics adviser, who also holds academic research positions at Harvard Medical School and Massachusetts Institute of Technology in Cambridge. In the third article of a six-part series about science-company names and how to choose them, Lamm describes how the name ‘Colossal Biosciences’ came about. The fact that the world will lose up to 25% of all biodiversity between now and 2050 is a huge problem. At my company, we asked ourselves, how do we come up with a name that encompasses three elements: the problem, the solution and our flagship species, the mammoth? Climate change, biodiversity, CRISPR and gene editing, artificial intelligence, computational analysis and advanced embryology can be difficult concepts for the public to fully grasp. We came up with ‘Colossal Biosciences’ because losing species is a colossal problem, our solution is colossal and the mammoth is a colossal animal.We felt that our brand and name should not only reflect the problem and solution, but also be approachable to children, including some who will grow up to read Cell, Nature and Science. Every week, we get little pictures of dodos and baby mammoths that kids draw, and their parents mail us physical letters, saying things such as: ‘Thank you so much for doing what you’re doing. My kid is excited about science. You’re making science cool.’ A big, awesome nameTo come up with Colossal, I worked with Chris Klee, executive vice-president of design at the company, and Chris Stevens, co-founder of Maven Creative, our branding agency, in Orlando, Florida.We’ve worked together for the past 20 years. We had a list of seven or eight potential names — including ‘Huge’, ‘Macedon’ (an ancient kingdom) and ‘Footprint’ (because every species has a unique one). Everything was centred around the concept of ‘big and awesome’. Obviously, ‘Mammoth’ was on the list because the world is facing a mammoth challenge, but we felt that calling it that would have pigeonholed us to one species. We also liked ‘Colossus’, and the idea of using ‘us’ to signify a team effort. But Colossus is a character in the Marvel Universe media franchise, and we didn’t want to be too Hollywood. We also considered names linked to evolution, and thought ‘Darwin’ could be a cool one. But when we said ‘Colossal’ out loud, we were like, ‘That’s it!’ Alongside the name, there’s the brand — so before we decided on Colossal, we underwent a process to come up with a brand that encapsulated ‘Harvard University meets 1980’s MTV’.

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    Climate change is reshaping fish communities in the United States

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    Long-standing marine reserves need continued support

    In August, the Spanish Ministry of Agriculture, Fisheries and Food cut funding for its network of 12 marine reserves by 40%. The cut echoes changes in the United States, where marine reserves have been opened up to industrial fishing.
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    Combat the human-made causes of Spain’s wildfires

    Spain’s wildfires are spreading at a record pace, with a greater area burnt this year than at any other time since satellite monitoring began. By mid-August, more than 400,000 hectares of forest had gone up in flames — an area larger than Mallorca. Lives, livelihoods and biodiversity are at stake.
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    Caribbean coral reefs are threatened by rising seas

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    A population plunge could help to mitigate the global biodiversity crisis

    Ecologist Paul Ehrlich and conservation biologist Anne Ehrlich might have been wrong in their 1968 prediction that human overpopulation would lead to mass human starvation, as your recent News feature notes (see Nature 644, 594–596; 2025). However, their concerns about the environmental impacts of humanity have mainly been borne out. The global population now takes just over seven months to use the living resources generated by the planet in a year — for instance, by consuming timber and fish, and by converting natural ecosystems to agriculture (see go.nature.com/47zcvty).
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    Strengthen the science behind the Agreement on Fisheries Subsidies

    The Agreement on Fisheries Subsidies among members of the World Trade Organization (WTO) aims to eliminate those subsidies that lead to overfished stocks (see Nature 641, 821; 2025). It has been accepted by 108 member states and will hopefully enter into force this year, pending acceptance by three more members. But it risks failure without investment in the science that underlies it.
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