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There are over 500 species of sharks. How many species must keep swimming in order to breathe? A. 20-25 species B. 100-150 species C. 200-250 species D. 300-350 species E. All sharks must keep swimming in order to breathe

This month will always be #JuneDairyMonth to me, so this #SundayFishSketch subject represents it: The Milkfish. They’re found in the Pacific and Indian oceans, are the only living member of their family dating back to the Cretaceous period, grow to 5 ft long, and have no teeth.

Which light bulb will glow brighter?

Philology & the limits of typography: Christian Ravius, in his 1646 edition of the first two surahs, didn’t have Arabic type & used a clever workaround, giving a translation followed by a transliterated word-by-word gloss in numbered columns, which are noted in the translation

Voltaire (1694–1778)

Mathematics. Welcome to a new universe. Three-player chess. Source: bit.ly/3C90VXz

What creature is this? wrong answers only

New "mystery creature" sighting in Pawleys Island, South Carolina. Lots of ridiculous speculation on what it is (marine reptile, alligator gar, sturgeon), but it looks like a squid to me. Maybe Thysanoteuthis?

Material for studying Turkish, prepared by Nassif Mallouf (1823-1865), a teacher at the French Collège de la Propagande in Izmir, where it was printed in 1847. The work contains 33 Nasreddin Hoca tales, proverbs, & a model letter. FB-AFOR, Vienna UL, Konsularakademie, OÜ 77.

Can you name the different feeding methods?

Mathematics. Let's journey into hyperspace. Meet the Hyperdodecahedron. It's the 4-dimensional analogue of the regular Dodecahedron. By Robert Webb, Stella software, software3d.com/Stella.php, bit.ly/3p2wCyA

此《盐梅记》由明代青山高士撰。全书共分上下两卷，三十四出，始于：提纲大概、避纷入谷。终于：因散得聚、花烛宜男。传奇剧情演山东举子宋道光在荒年男扮女装结识财主女儿白珩并以盐梅为婚约，后遇侠女王媵儿，最后三人大团圆的爱情故事。此为明代漱玉山房刊本。介绍下载：new.shuge.org/view/yan_mei_j…

“Poetry and art and knowledge are sacred and pure.” Munich Residenz, Germany

传统纹样系列—云纹 chinese traditional pattern-cloud pattern. symbolizing promotion&all the best,it's widely used in costume,sutra cover,construction and other surfaces,it's generally used in combination with other patterns,and's one of the most common patterns in chinese patterns

A Deinonychus quietly trekking through a swamp in prehistoric Oklahoma artstation.com/artwork/PXkLgy

Disassembling a Chinese round -back armchair, 59 parts, connected by mortise and tenon joints, which are called Sunmao榫卯, one of the oldest and durable structures in China.

These photographs show the true colours of the freshly unearthed Terracotta Warriors(246-208 BCE) before rapid deterioration due to environmental exposures in 1974

Hardy once visited Ramanujan in the hospital and mentioned that the taxi he took had the number 1729 which he thought was a dull number. Ramanujan responded: "No, it's a very interesting number. It's the smallest number expressible as the sum of two cubes in two different ways."