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A pair of food tech startups have teamed up to create what they say are the world’s first lab-grown fish filets — and they used a 3D printer to serve them.

The challenge: Demand for seafood is expected to nearly double by 2050 due to a growing population and increasing incomes, but overfishing, climate change, ocean pollution, and other factors pressure the seafood industry’s ability to satisfy the world’s hunger for fish.

Even if industry can source all the seafood we need from the ocean and fish farms, current fishing practices can harm the environment, via greenhouse gasses and marine ecosystem destruction, problems only likely to increase as the industry grows.

“Wish I had this to cite,” lamented Jacob Andreas, a professor at MIT, who had just published a paper exploring the extent to which language models mirror the internal motivations of human communicators.

Jan Leike, the head of alignment at OpenAI, who is chiefly responsible for guiding new models like GPT-4 to help, rather than harm, human progress, responded to the paper by offering Burns a job, which Burns initially declined, before a personal appeal from Sam Altman, the cofounder and CEO of OpenAI, changed his mind.

“Collin’s work on ‘Discovering Latent Knowledge in Language Models Without Supervision’ is a novel approach to determining what language models truly believe about the world,” Leike says. “What’s exciting about his work is that it can work in situations where humans don’t actually know what’s true themselves, so it could apply to systems that are smarter than humans.”

The four astronauts of the private Ax-2 mission returned to Earth in their SpaceX Dragon capsule late Tuesday night (May 30).

That Dragon, named Freedom, undocked from the International Space Station (ISS) earlier in the day at 11:05 a.m. EDT (1505 GMT), ending a 10-day mission that included eight days docked at the orbiting lab. Freedom returned to Earth 12 hours later with a flawless splashdown in the Gulf of Mexico off the coast of Panama City, Florida at 11:04 p.m. EDT (0304 GMT on May 31), ending the Ax-2 mission by SpaceX for the Houston-based company Axiom Space.

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WASHINGTON, May 30 (Reuters) — Former U.S. State Department and nuclear regulatory officials on Tuesday urged the U.S. Energy Department to reconsider a plan to use bomb-grade uranium in a nuclear power experiment, saying that its use could encourage such tests in other countries.

The Energy Department and two companies aim to share costs on the Molten Chloride Reactor Experiment (MCRE) at the Idaho National Laboratory and use more than 1,322 pounds (600 kg) of fuel containing 93% enriched uranium.

Bill Gates-backed company TerraPower LLC, the utility Southern Co (SO.N) and the department hope the six-month experiment will lead to breakthroughs in reactors that could help reduce pollution linked to climate change.