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Lasers – Light in Lockstep
From the checkout scanner to eye surgery to the internet itself, lasers are woven through modern life — yet most of us have no idea what makes laser …
3 months, 1 week ago
Photosynthesis – How Plants Eat Sunlight
Every breath you take and nearly every meal you eat traces back to a single quiet chemical trick that plants, algae and some bacteria perform: turnin…
3 months, 1 week ago
Comets and Asteroids – Visitors from the Deep Past
Scattered through the solar system are billions of leftover scraps from its birth — rocky asteroids and icy comets that never got swept up into a pla…
3 months, 1 week ago
Neutron Stars – Matter at the Edge of Impossible
When a massive star dies, it can leave behind an object so dense that a sugar-cube-sized piece would weigh as much as a mountain: a neutron star. Som…
3 months, 1 week ago
The Water Cycle – The Journey of Every Drop
The water in your glass is older than the dinosaurs, older than the planet's first life — the same finite supply, recycled endlessly through ocean, s…
3 months, 1 week ago
Superconductors – Electricity Without Resistance
Cool certain materials below a critical temperature and something almost magical happens: they carry electricity with no resistance at all, and they …
3 months, 1 week ago
Stem Cells – The Body's Master Cells
Every one of the roughly thirty-seven trillion cells in your body traces back to a handful of unspecialised cells that could become anything. Those a…
3 months, 1 week ago
Galaxies – How the Milky Way Was Built
The faint band of light our ancestors called the Milky Way turns out to be the disc of our own galaxy, seen edge-on from the inside — a spinning city…
3 months, 1 week ago
Coral Reefs – Rainforests of the Sea
Coral reefs cover a tiny fraction of the ocean floor yet shelter a quarter of all marine species. They are built by tiny animals working in partnersh…
3 months, 1 week ago
The Standard Model – The Universe's Ingredient List
Everything you have ever touched, seen or been made of comes down to a surprisingly short list of fundamental particles and the forces between them. …
3 months, 1 week ago