Planet

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The colour of starlight

Starlight, by definition, is the visible electromagnetic radiation that is emitted by stars, but there is more magic to it than that. Every visible star is made of clouds containing cold hydrogen molecules that separate into pieces as they collapse with incredible amounts of gravitational force. The constant gravity pulls molecules towards the star’s core […]

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Priming the whale pump

After decades of industrialised whaling, overall whale populations around the globe are 25 per cent of what they once were. There have been movements to save the whales, as we gradually appreciate the importance of biodiversity and find admiration for the capabilities of these impressive creatures. What we are now realising is that whales may […]

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Green Beat

Extreme heat waves are pushing the limits of the human body Record-breaking heat waves in 2024 are pushing the limits of the human body’s ability to adapt to heat. The body works hard to maintain a stable core temperature, but if it can’t, cells and organs are affected, potentially leading to permanent injury or death. […]