science
The Experiment That Made Chinese Takeaway Healthier

As anyone who’s made a habit of ordering late-night delivery well knows, these meals typically aren’t too healthy. And when it comes to heaping amounts of salt in these foods, there’s perhaps no greater culprit than Chinese takeaway. But a new study published last week in Public Health Reports details a strategy that helped Chinese restaurant owners and chefs in the US city of Philadelphia cut back on sodium without sacrificing taste. Read More >>

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Flushing Sodium Down the Toilet Could be the Last Thing You Do

Grant Thompson does silly stuff with science and when he received a request to flush sodium down a toilet he knew who to call — the man who flushed mercury down a toilet with a hypnotic swirl. All cleaned up, the mercury toilet meets its ultimate demise in a mushroom cloud of destruction. Read More >>

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Liquid Metal Bullets Wreak Havoc on a Watermelon

Lead is a relatively soft metal, and the fact that it deforms on impact is what makes lead bullets so deadly. It expands inside whatever it hits causing more damage to the surrounding area. But there are metals much softer than lead, and their effects on contact are even more pronounced—so naturally someone made them into bullets. Read More >>

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High-Speed Cameras Reveal Why Sodium Explodes in Water

You remember the sodium demo from chemistry lessons: Just a small chunk of the pure metal dropped into water causes a great big flash and bang. You might even remember your chemistry teacher's explanation for why. But there's always been a missing piece of the puzzle, which scientists have finally figured out using high-speed video cameras. Read More >>