New Yorker and Brain Pickings. Quanta is great for math-y stuff. Also, I try not to read too much online. Like you say, so much is junk. And I limit news. Th

New Yorker and Brain Pickings. Quanta is great for math-y stuff. Also, I try not to read too much online. Like you say, so much is junk. And I limit news. There's a real negative cognitive and emotional impact from reading so much depressing stuff about which you can do so little.