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Lachlan Brown

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Indexed articles, last 90 days
287
Latest publication
Sep 22, 2026
Outlet visibility, for ScienceBlog.com
Top 10K sites
Earliest in this view
Jul 19, 2026

Latest articles

  1. Article · Sep 22, 2026 · Edited by Lachlan Brown

    Light rain can disperse more soil bacteria into the air than heavy rain, because gentler drops trap bubbles that burst into bacteria-carrying aerosols. (opens the original)

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    A hard downpour looks better equipped to throw material from the ground. Yet for one microscopic route into the air, a gentler impact can work better. When a raindrop lands on porous soil, it can trap pockets of air. Bubbles rise through the drop and burst, ejecting tiny droplets that may carry soil bacteria. Researchers demonstrated that mechanism in a 2017 Nature Communications study using cultured bacteria, sterilized soils and individual drops. The work is nearly a decade old, so this is an

  2. Article · Sep 21, 2026 · Edited by Lachlan Brown

    A drop of salt water solved a 100-bit computation by letting billions of DNA molecules compete until the configuration encoding the correct answer won (opens the original)

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    A 35-microliter droplet containing DNA completed a calculation counted as 100 bits of computation, not by stepping through instructions like a silicon processor, but by allowing enormous numbers of molecular configurations to compete. The arrangement representing the correct answer became thermodynamically favored. The result appears in a Nature study by Tristan Stérin, Abeer Eshra, Constantine Glen Evans, Janet Adio and Damien Woods of Maynooth University. Across more than 700 experiments, the

  3. Article · Sep 17, 2026 · Lachlan Brown

    On 20 February 1943, Mexican farmer Dionisio Pulido watched the ground split open in his cornfield and begin ejecting ash; within 24 hours the eruption had built a 50-metre cone. Parícutin kept erupting for nine years and eventually stood 424 metres above the former field, burying one village and mo (opens the original)

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    On the afternoon of February 20, 1943, Dionisio Pulido went to inspect a cornfield near the village of Parícutin in Michoacán, Mexico. The ground had been shaking for weeks. That day, a fissure opened, smoke and ash rose, and fragments of hot rock began falling around a vent that had not existed before. By the following day, the new cone was already tens of meters high. Historical estimates vary: a US Geological Survey reconstruction placed it at about 30 to 50 meters by midday on February 21, w

  4. Article · Sep 17, 2026 · Lachlan Brown

    Each Antarctic summer, tractor trains haul 3,000-gallon fuel bladders on sheets of polyethylene 1,030 miles from McMurdo to the South Pole; the average round trip takes 52 days, but each southbound run replaces roughly 33 LC-130 Hercules flights—meaning much of the fuel that keeps the station alive (opens the original)

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    The quickest way from McMurdo Station to the South Pole is by air. The heavier way is a 1,030-mile road made almost entirely of compacted snow. Each Antarctic summer, the South Pole Traverse sends tracked tractors along it, towing fuel and cargo toward a station that must be supplied before winter closes in. The figures are easy to mistake for a stunt. They are operating averages published by the United States Antarctic Program. A round trip takes about 52 days. The route climbs more than 9,300

  5. Article · Sep 17, 2026 · Edited by Lachlan Brown

    The James Webb telescope does not orbit Earth: it circles the Sun–Earth L2 point 1.5 million kilometres away, keeping its mirror permanently shielded from the Sun—and unlike Hubble, it was never designed for astronauts to repair. (opens the original)

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    The James Webb Space Telescope is often described as a successor to Hubble, but the two observatories occupy very different places. Hubble circles Earth a few hundred kilometers above the surface. Webb travels around the Sun with Earth, operating near the second Sun-Earth Lagrange point, or L2, about 1.5 million kilometers away. That distance is almost four times the average distance between Earth and the Moon. It gave Webb the cold, stable environment needed for infrared astronomy, but it also

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