pull down to refresh

[Daily puzzle] Magic product puzzle
681 sats \ 11 comments \ @south_korea_ln 15 Oct 2024 science
related
[Daily puzzle] How many pairs?
679 sats \ 6 comments \ @south_korea_ln 9 Nov 2024 science
[Daily puzzle] No calculator math
833 sats \ 20 comments \ @south_korea_ln 12 Oct 2024 science
[Not-so-daily puzzle] Playing with exponents
541 sats \ 1 comment \ @south_korea_ln 27 Dec 2024 science
[Daily puzzle] Easy square root
460 sats \ 10 comments \ @south_korea_ln 12 Nov 2024 science
[Not-so-daily puzzle] Two envelope puzzle
921 sats \ 12 comments \ @south_korea_ln 25 Dec 2024 science
[Daily puzzle] Find the radius of the circle
1947 sats \ 26 comments \ @south_korea_ln 11 Oct 2024 science
[Not-so-daily puzzle] Singapore at it, again
476 sats \ 14 comments \ @south_korea_ln 2 Apr 2025 science
[Not-so-daily puzzle] A fun geometry puzzle
405 sats \ 11 comments \ @south_korea_ln 15 Jan 2025 science
[Daily puzzle] Simple algebra problem.
1169 sats \ 17 comments \ @south_korea_ln 28 Oct 2024 science
[Daily puzzle] Find area of white region
2026 sats \ 18 comments \ @south_korea_ln 10 Oct 2024 science
[Not so daily puzzle] Sum-o wrestlingwww.theguardian.com/science/2025/aug/18/can-you-solve-it-are-you-a-matcha-for-these-tasty-japanese-puzzles
950 sats \ 7 comments \ @south_korea_ln 19 Aug 2025 science
[Not-so-daily puzzle] Triangle sequence
874 sats \ 13 comments \ @south_korea_ln 6 Dec 2024 science
The Paradox of 1 – 1 + 1 – 1 + 1 – 1 + …www.scientificamerican.com/article/1-the-paradox-of-1-1-1-1-1-1/
602 sats \ 4 comments \ @dontforgetthekeys 6 Sep 2024 FiresidePhilosophy
[Not-so-daily puzzle] Which one is bigger?
908 sats \ 8 comments \ @south_korea_ln 20 Dec 2024 science
[Daily puzzle] Fill in the blanks
2368 sats \ 20 comments \ @south_korea_ln 29 Oct 2024 science
How a typo spoiled my proof of Fermat’s last theoremwww.newscientist.com/article/2462834-how-a-typo-spoiled-my-proof-of-fermats-last-theorem/
261 sats \ 4 comments \ @south_korea_ln 8 Jan 2025 science
[Not-so-daily puzzle] Area of a diamond
474 sats \ 4 comments \ @south_korea_ln 1 Jan 2025 science
Are you smarter than a 12-year-old? #2
930 sats \ 16 comments \ @cryotosensei 3 Nov 2024 science
[Daily puzzle] Fun with geometry
757 sats \ 4 comments \ @south_korea_ln 20 Oct 2024 science
Mathematicians issue a major challenge to AI—show us your workwww.scientificamerican.com/article/mathematicians-launch-first-proof-a-first-of-its-kind-math-exam-for-ai/
1145 sats \ 4 comments \ @south_korea_ln 14 Feb AI science
[Daily puzzle] Find the ratio
847 sats \ 8 comments \ @south_korea_ln 26 Oct 2024 science