Hobbes v. Boyle: Who Decides Scientific Facts

Hobbes v. Boyle: Who Decides Scientific Facts

In the 1600s, philoso­pher Thomas Hobbes and exper­i­men­tal sci­en­tist Robert Boyle clashed over a strange new machine, the air pump, and a dan­ger­ous ques­tion: when should soci­ety trust sci­en­tif­ic claims, and who gets to decide? Their dis­agree­ment wasn’t just about experiments … 

The Sun Dagger: How Ancient Puebloans Made Calendars from Sunlight

The Sun Dagger: How Ancient Puebloans Made Calendars from Sunlight

Before cal­en­dars were print­ed, before clocks ticked, and before num­bers were writ­ten, humans looked up. We looked up at the sky not just to admire the beau­ty of the stars and celes­tial bod­ies, but also to pre­dict the best times for plant­i­ng and har­vest­ing crops. So stargaz­ing was not just an enjoy­able endeav­or; it was a method of sur­vival. In

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FLASHCARDS! The Physics of Shoveling Snow

FLASHCARDS! The Physics of Shoveling Snow

The hol­i­days have end­ed, the dec­o­ra­tions have come down, and many peo­ple have stepped out­side to find that the ground has been qui­et­ly trans­formed into a dense, slip­pery physics problem. 

FLASHCARDS! The Riddle of Love

FLASHCARDS! The Riddle of Love

It’s Flash­cards Fri­days, and today I’m going to talk about some­thing qui­et­ly uni­ver­sal about what humans do when the year begins to slow down. Across cul­tures, across cen­turies, when the days grow short­er and the nights stretch long, peo­ple gath­er. They sit clos­er togeth­er. They talk more. They tell sto­ries. And again and again, they pose ques­tions that do not

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The History of Jigsaw Puzzles

The History of Jigsaw Puzzles

You might not think of jig­saw puz­zles as sci­en­tif­ic objects. They seem sooth­ing, domes­tic, almost med­i­ta­tive. But behind every lit­tle card­board piece is a sur­pris­ing­ly rich sto­ry, one that spans glob­al explo­ration, tech­no­log­i­cal inno­va­tion, Vic­to­ri­an par­lor cul­ture, eco­nom­ic upheaval, wartime mate­r­i­al short­ages, cog­ni­tive sci­ence, and the dig­i­tal age. And it all begins with an Eng­lish car­tog­ra­ph­er who want­ed to teach children

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FLASHCARDS! Your Brain on Puzzles

FLASHCARDS! Your Brain on Puzzles

Today we explore some­thing won­der­ful­ly nerdy: the neu­ro­science of puz­zles. Not just why puz­zles are fun, but what your brain is actu­al­ly doing the moment you lean over a cross­word, a log­ic grid, or a deli­cious­ly tricky time-trav­el cipher.