Scientists Unveil ‘Olo’ A Never-Before-Seen Colour

Welcome to the Good News Roundup for April 22, 2025

Out of the Blue — and Beyond: ‘Olo’ Joins the Colour Spectrum

As reported by SBS News, Scientists at UC Berkeley may have just expanded the rainbow with a never-before-seen colour, but only five people on Earth have seen it so far.

Called olo, this vivid blue-green hue lies outside the range of natural human vision and was revealed using laser pulses to precisely target the eye’s colour receptors. Curious how they pulled it off and what it could mean for the future of vision? Dive deeper into the details here

Book by Book: Community Moves 9,100 Library Collection by Hand

In news from the close-knit town of Chelsea, Michigan, nearly 300 residents of all ages lined the streets to pass 9,100 books one by one in a heartfelt effort to help a local bookstore move to its new location just a block away.

Dubbed the “book brigade,” the event, as reported by the ABC News, was more than just a clever way to relocate shelves of stories; it became a joyful moment of connection, conversation, and community pride.

No Power, No Problem: Teens Build Salt-Powered Fridge to Help Hospitals Without Electricity

Three teenagers from Indore, India, Dhruv Chaudhary, Mithran Ladhania, and Mridul Jain, have created a salt-powered refrigerator called Thermavault, designed to transport vaccines and medical supplies to rural areas without electricity. The invention uses salts that absorb heat when dissolved in water, keeping items cool for hours.

 Winning the 2025 Earth Prize and a $12,500 grant, the trio plans to test 200 units in 120 hospitals. Their goal is to improve healthcare access in remote areas by providing an eco-friendly and reusable cooling solution.

You can read more about their ingenuity here

Deep Sea Discovery: First Footage of Colossal Squid

Finally, as reported by the BBC News, for the first time in history a juvenile colossal squid has been filmed in its natural habitat, 600 meters deep near the South Sandwich Islands. The footage, recorded by a team from the University of Essex, captures the rare mollusc, which can grow up to 7 meters and weigh 500 kg, in its elusive underwater world.

Previously, colossal squids were only seen as remains in whale stomachs. This discovery, marking 100 years since the species’ identification, offers fascinating insights into this mysterious giant of the deep.

Check out the video and images for a closer look!

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