HeyJaredDaniel Moran
- Indexed articles, last 90 days
- 130
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- Sep 24, 2026
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- Jul 22, 2026
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The camera that became the world's first webcam was pointed at a coffee pot in a Cambridge computer lab in 1991, so researchers upstairs could see whether a trip down was worth making. The setup ran for nearly ten years, and its longest-serving pot sold for £3,350 when the lab moved (opens the original)
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Every livestream, video call and doorbell camera on the planet has a common ancestor, and it spent its working life staring at a pot of filter coffee. In late 1991, a camera clamped to a retort stand (the metal pole and clamp that holds flasks and test tubes in school chemistry labs) was aimed at a coffee machine in a corridor of the University of Cambridge Computer Laboratory. Its goal was modest. Nobody wanted to climb the stairs for nothing. Quentin Stafford-Fraser, one of the researchers beh
The taste cells reading your food today are constantly being replaced, with the average turnover taking roughly ten days. Some disappear within a week and others last for weeks, so the sensory equipment on your tongue is always changing (opens the original)
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Every sip of this morning’s coffee was tasted by cells only about a week old. By the end of next week, plenty of them will have cleared their desks, and a fresh intake will be reading the flat whites instead. Taste buds are the small clusters of cells, arranged like the segments of an orange, tucked into the bumps and grooves of the tongue. An adult carries between 2,000 and 4,000 of them, per the InformedHealth.org guide to taste from Germany’s Institute for Quality and Efficiency in Health Car
Researchers studied 70 dogs over two years and recorded 1,893 defecations, finding they preferred to line up north to south along Earth's magnetic field — but only when the field's direction was holding steady, with the pattern disappearing as that direction began to shift (opens the original)
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For two years, a few dozen dog owners in the Czech Republic and Germany walked their pets armed with the usual plastic bags and one unusual extra: a compass. Whenever a dog stopped to relieve itself off the lead, in open ground away from roads, power lines and steel structures, its owner took a bearing along the animal’s spine. The tally, published in a 2013 paper in Frontiers in Zoology, covered 70 dogs from 37 breeds, with 1,893 defecations logged from 55 of them and 5,582 urinations from 59.
Caffeine supplies no energy. It blocks the receptors that help signal tiredness while the underlying sleep pressure keeps building, and its half-life is around five hours, so an afternoon coffee is still a quarter present at midnight (opens the original)
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At two in the afternoon, a long black feels like jumper leads clamped to the brain. Eyelids lift, the inbox looks less hostile, and the 3pm meeting starts to seem survivable. Oddly, none of that lift comes from fuel. Caffeine delivers no energy to the body whatsoever, and its real trick is closer to cutting the wire on a dashboard warning light. The engine, meanwhile, keeps running hot. What exactly gets disconnected? That wire carries a molecule called adenosine, a by-product of the brain’s ord
Science has a name for the jolt that can snap you awake just as you fall asleep — a hypnic jerk — and one leading theory is that the brain mistakes relaxing muscles for the sensation of falling (opens the original)
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The pillow is cool, the day’s noise has finally gone quiet, and then the bed drops away like a lift with a snapped cable. A leg kicks, the heart thumps, and sleep, which was maybe thirty seconds off, is suddenly back at the starting line. Sleep scientists call it a hypnic jerk, from the Greek hypnos, meaning sleep, and it also answers to sleep start or hypnagogic jerk. It belongs to a family of brief, involuntary muscle twitches known as myoclonus, a group that includes the humble hiccup. For so
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