Math fun Math puzzle: Filling a bath tub with increasingly smaller containers Mark Frauenfelder

Science Scientists built a machine to solve what AI can't Ellsworth Toohey

books The Secret Life of Circuits book explains electronics for everyone Ellsworth Toohey

gadgets Ninja Creami, the PacoJet for the rest of us Rob Beschizza

Science Newly found letters show Georg Cantor stole his famous infinity proof Ellsworth Toohey

gadgets Xteink's X4: a $69 e-ink reader that magsafes to your wallet Rob Beschizza

The human cost of the UK's anti-trans turn Jason Weisberger

Science The bacteria-in-a-bottle thought experiment that explains why we're bad at seeing disaster coming Ellsworth Toohey

paint Bob Ross paintings sell for $1.2 million as Trump guts public TV Jason Weisberger

websites Well-made apps and sites Rob Beschizza

Stephen Wolfram: computation is the universe's OS Ellsworth Toohey

Science The mysterious cognitive effects of chewing gum Ellsworth Toohey

Science Mathematicians say they've proven the universe can't be a simulation Ellsworth Toohey

mathematics How potatoes can lose half their weight by drying out just 1% Ellsworth Toohey

Technology People get mad at writer who "loves AI" Mark Frauenfelder

Science Brain drain: Many U.S. researchers making plans to leave the country Ruben Bolling

Technology AI's impact: not about killer robots, but about power, control, and who benefits from automation Ellsworth Toohey

photography Watch people vanish wearing custom camouflage sweaters Jennifer Sandlin

Science At 14, considered nonverbal and severely intellectually disabled; at 19, admitted to MIT Ruben Bolling

mistakes After man orders 18,000 waters, Taco Bell reconsiders AI drive-through Rob Beschizza