<h2>00:27 Five people see ‘olo’, a brand-new colour</h2>Using a laser system to activate specific eye cells, a team has allowed five study participants to perceive a vibrant blue-greenish hue well outside the natural range of colours seen by humans. Although the setup required to accomplish this feat is currently complicated, this finding could provide more understanding about how the brain perceives colour and could one day help boost the vision of people with colour blindness.Nature News:&nbsp;<a href="https://www.nature.com/articles/d41586-025-01252-3" rel="noopener noreferrer" target="_blank">Brand-new colour created by tricking human eyes with laser</a><h2>08:30 US regulator greenlights pig-liver transplant trial</h2>The US Food and Drug Administration has approved the first trial to test whether genetically modified pig livers can be used safely to treat people with organ failure. In the initial phase of the trial, four people with severe liver failure will be temporarily connected to an external pig liver that will filter their blood. Participants will then be monitored for a year for safety and changes in liver function. The organs have been genetically modified to make them more compatible with humans.Nature News:&nbsp;<a href="https://www.nature.com/articles/d41586-025-01209-6" rel="noopener noreferrer" target="_blank">Pig livers for people: US regulator greenlights first safety trial</a><h2>14:08: A chunk of lab-grown chicken</h2>Using a designer ‘circulatory system’, a team of researchers have created what they think is the largest piece of meat grown in the laboratory yet. One of the challenges to producing larger pieces of lab-grown meat has been providing cells with sufficient oxygen and nutrients, something the team’s new setup helps overcome. They used it to grow a chunk of chicken muscle about the size of a nugget, but multiple challenges remain before meat produced in this way could make it to market.Nature News:&nbsp;<a href="https://www.nature.com/articles/d41586-025-01227-4" rel="noopener noreferrer" target="_blank">Winner, winner, lab-made dinner! Team grows nugget-sized chicken chunk</a><a href="https://www.nature.com/briefing/signup" rel="noopener noreferrer" target="_blank">Subscribe to Nature Briefing, an unmissable daily round-up of science news, opinion and analysis free in your inbox every weekday.</a><hr> Hosted on Acast. See <a style='color:grey;' target='_blank' rel='noopener noreferrer' href='https://acast.com/privacy'>acast.com/privacy</a> for more information.

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A brand-new colour created by lasers, a pig-liver transplant trial gets the green light, and a nugget-sized chunk of lab-grown meat

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