What Is a Bobbin Tank and How Does It Work?
A bobbin tank is a combat engineering vehicle that carries a large reel of reinforced matting and unrolls it to…
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Do Organics on Mars Mean Life?
New NASA-led modeling of Gale Crater mudstones suggests ancient long-chain alkanes were far more abundant than today’s measurements imply, challenging…
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Why Can’t Fish Breathe Out of Water?
Fish cannot breathe out of water because their gills are specialized to extract oxygen from water, not air. Out of…
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What Is Direct Collapse to a Black Hole and How Does It Work?
Direct collapse to a black hole is when a massive star collapses into a black hole without producing a bright…
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Did the Emergency! TV show Help Build Modern EMS in the U.S.?
Yes. The Emergency! TV show did not invent paramedics, but it powerfully accelerated the growth of modern EMS in the…
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If the Sun Disappeared, How Long Would Earth Take to Cool Down?
If the Sun vanished, Earth’s surface would freeze within days to weeks, oceans would seal under thick ice within years…
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Why Adenovirus COVID Vaccines Caused Blood Clots (And What It Means)
Adenovirus vaccine blood clots were caused by a rare misdirected immune response called vaccine-induced immune thrombotic thrombocytopenia, or VITT. New…
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Do Mars Organics Prove Life on Mars?
No, Mars organics do not by themselves prove life on Mars. Mars organics are carbon‑containing molecules that can be produced…
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Is the Merchant’s House Museum Underground Railroad Discovery Real?
What historians found in a concealed passage in Manhattan, the evidence for an Underground Railroad safe house, and why secret…
