How the Internet Actually Works
The internet is not a thing owned by anyone. It is thousands of separate networks that agreed to speak the same protocol, passing your data along in small packets that each find their own way.
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What Happens Inside a Black Hole
Crossing the event horizon is not like hitting a surface. The honest answer about the interior is that our current physics stops working there, and that is the interesting part.
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Why People Believe Conspiracy Theories
Conspiracy beliefs are rarely the result of missing information. They answer emotional needs: for certainty, for control, and for belonging. That is why supplying facts often changes nothing.
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Why Do We Get Sunburned?
Sunburn is not the sun heating your skin. It is ultraviolet light damaging DNA in skin cells, and the redness and pain are the body’s repair and cleanup response starting a few hours later.
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Why Housing Costs So Much
House prices are mostly about location, and location cannot be manufactured. That single fact explains why building more helps less than people expect, and why cheap credit pushes prices up.
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Why Coffee Keeps You Awake
Caffeine does not give you energy. It blocks the receptor that tells your brain how tired you are, so the tiredness is still there, you just stop receiving the signal.
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How Writing Was Invented
Writing did not begin with literature or ideas. The earliest tablets are accounts: grain, beer, livestock. It took many centuries before anyone wrote down a story.
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Astronomers Find the Lightest Double Neutron Star Yet
A radio survey has turned up a pair of neutron stars orbiting every 2.36 hours, with a combined mass lower than any binary of its kind found before. It is an unusually good test of general relativity.
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The Largest Catalogue of Hydrogen Galaxies Yet Released
A new data release catalogues 156,000 galaxies by their cold hydrogen, roughly five times the previous record, and measures the local universe’s hydrogen density to 0.6 percent.
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Astronomers Watch a Massive Binary Star Being Assembled
Eight years of radio observations have captured a pair of massive young stars mid-formation, on a lopsided orbit with discs pointing in different directions. That rules out the simplest explanation.