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Topics /
Science & Space
The most popular blog posts about science & space on Hacker News. 220 posts.
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Did UCLA Just Cure Baldness?
How Bruin genetic scientists are reawakening hibernating follicles.
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How to Recognize Woodpeckers by Their Drumming Sounds
Woodpecker drumming may not be as immediately distinctive as birdsong—but by carefully listening to speed, duration, and rhythm you can still tell many species apart. Here are some tips.
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Euclid opens data treasure trove, offers glimpse of deep fields
On 19 March 2025, the European Space Agency’s Euclid mission released its first batch of survey data, including a preview of its deep fields. Here, hundreds of thousands of galaxies in different shapes and sizes take centre stage and show a glimpse of their large-scale organisation in the cosmic web.
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Why does Swiss cheese have holes?
Swiss cheese gets holes from carbon dioxide bubbles during the cheese-making process. Learn more about what causes the holes in Swiss cheese at U.S. Dairy.
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2024 sea level 'report cards' map futures of U.S. coastal communities
Featuring four new localities, the updated report cards show past and projected rates of sea level rise and acceleration for 36 U.S. coastal communities in a new, interactive dashboard.
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July 5, 1687: When Newton explained why you don't float away
On this day in 1687, Isaac Newton published the Principia—a book that explained why apples fall, why planets don’t wander off, and why NASA is still lighting enormous tubes on fire to fling humans into orbit 337 years later.
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High Altitude Living – 8,000 ft and above (2021)
Living at high altitude reduces risk of dying from heart disease: Low oxygen may spur genes to create blood vessels. Summary: Researchers have found that people living at higher altitudes have a lower chance of dying from heart disease and live longer. Jeanne and I live at 8,400 feet (2.560 meters)
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Philips announces digital pathology scanner with native DICOM JPEG XL output
Philips announces digital pathology scanner with native, configurable DICOM JPEG and JPEG XL output in world first
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Solar electricity every hour of every day is here and it changes everything
Batteries are now cheap enough to unleash solar energy’s full potential, getting as close as 97% of the way to delivering constant electricity supply 24 hours across 365 days cost-effectively in the sunniest places.