# newest submissions : TellMeAFact TMAF is a place to learn interesting, verified facts about a range of topics. Please read the rules (linked to from the Community Guide) before posting and remember to always include a source for your fact. Page: Feed: --- ## [TMAF about : Nobody noticed the Mona Lisa was stolen for 28 hours. Staff who saw the empty hooks assumed it had been taken to be photographed. In 1911 it was a respected painting, not a famous one — it became the most famous painting on earth because it was stolen.](https://www.reddit.com/r/TellMeAFact/comments/1vz95bo/tmaf_about_nobody_noticed_the_mona_lisa_was/) _2026-08-26 · /u/unteachablecourses_ submitted by /u/unteachablecourses \[link\] \[comments\] ## [TMAF about A coral grouper that loses prey into a crevice will swim tens of meters across the reef to find a specific moray eel it has hunted with successfully before, then shake its head at the hole until the eel follows it back. The behavior meets the same criteria used to test great ape gestures.](https://www.reddit.com/r/TellMeAFact/comments/1vy8auy/tmaf_about_a_coral_grouper_that_loses_prey_into_a/) _2026-08-25 · /u/unteachablecourses_ submitted by /u/unteachablecourses \[link\] \[comments\] ## [TMAF about - China's first humanoid police robot went on traffic duty in Wuhu in January 2026 with an official badge number — "Intelligent Police Unit R001." By May, Hangzhou had a 15-robot squadron working downtown intersections, with published service stats down to 647.7 hours.](https://www.reddit.com/r/TellMeAFact/comments/1vwkuz5/tmaf_about_chinas_first_humanoid_police_robot/) _2026-08-23 · /u/unteachablecourses_ submitted by /u/unteachablecourses \[link\] \[comments\] ## [TMAF about: the only significant habitable land on Earth claimed by no country isn't unclaimed by accident — Egypt and Sudan each refuse it, because the border line that would give them Bir Tawil is the same line that would cost them a Red Sea coastal triangle ten times more valuable.](https://www.reddit.com/r/TellMeAFact/comments/1vvweos/tmaf_about_the_only_significant_habitable_land_on/) _2026-08-23 · /u/unteachablecourses_ submitted by /u/unteachablecourses \[link\] \[comments\] ## [TMAF about: 1876, fresh meat fell from a cloudless sky in Kentucky. Microscopists found lung, cartilage, and striated muscle from several different animals, with no digestive contents. The answer is vulture kettles — and it points at something bigger: the sky is a loaded biological transport system.](https://www.reddit.com/r/TellMeAFact/comments/1vujye6/tmaf_about_1876_fresh_meat_fell_from_a_cloudless/) _2026-08-21 · /u/unteachablecourses_ submitted by /u/unteachablecourses \[link\] \[comments\] ## [TMAF about: San Francisco's white-crowned sparrows sing in 18 distinct neighborhood dialects —Presidio, Lake Merced, Marin Headlands — some only a few hundred meters apart. Females prefer their local accent when choosing mates & a 2024 study found neighborhoods are genetically diverging as a result.](https://www.reddit.com/r/TellMeAFact/comments/1vs94a2/tmaf_about_san_franciscos_whitecrowned_sparrows/) _2026-08-19 · /u/unteachablecourses_ submitted by /u/unteachablecourses \[link\] \[comments\] ## [TMAF about - The 2003 Antwerp diamond vault heist is the cleanest case study in how defense-in-depth fails. 10 independent layers, each beaten by something trivial — hairspray on the IR sensor, aluminum tape on the magnetic contact — because the attacker had 2.5 years of tenant access to study.](https://www.reddit.com/r/TellMeAFact/comments/1vqxy75/tmaf_about_the_2003_antwerp_diamond_vault_heist/) _2026-08-17 · /u/unteachablecourses_ submitted by /u/unteachablecourses \[link\] \[comments\] ## [TMAF about a crypto company CEO bought RealDoll in 2024, reverse-merged it into a public shell & now sells $20k animatronic companions w/ magnetic swappable faces. Meanwhile Boston Dynamics, Tesla, Figure & every major humanoid maker has committed to never entering the romantic companion market.](https://www.reddit.com/r/TellMeAFact/comments/1vl4isz/tmaf_about_a_crypto_company_ceo_bought_realdoll/) _2026-08-11 · /u/unteachablecourses_ submitted by /u/unteachablecourses \[link\] \[comments\] ## [TMAF about - Thieves drained $18M of syrup from Quebec's strategic maple reserve, refilling the barrels with water so they'd still weigh 620 lbs at the annual audit. Canada's Supreme Court fined the ringleader $9,171,397.57 — the gross he handled, not the $1M he kept after paying his accomplices.](https://www.reddit.com/r/TellMeAFact/comments/1v7lxwy/tmaf_about_thieves_drained_18m_of_syrup_from/) _2026-07-27 · /u/unteachablecourses_ submitted by /u/unteachablecourses \[link\] \[comments\] ## [One OS for your AI workforce (Sponsored)](https://crawlproof.com/a/UhWsoKCLMPxI) _2026-07-27 · **Sponsored**_ Build, direct, and supervise an AI workforce from a single operating workspace. ## [TMAF about Stalin helped organize a 1907 bank robbery in Tbilisi where Bolsheviks threw bombs into a crowded square to rob a cash convoy, killing 40 people. Most of the money was in high-value banknotes whose serial numbers the bank had recorded — so the party could barely spend what it killed for.](https://www.reddit.com/r/TellMeAFact/comments/1v5ullw/tmaf_about_stalin_helped_organize_a_1907_bank/) _2026-07-25 · /u/unteachablecourses_ submitted by /u/unteachablecourses \[link\] \[comments\]