aviation All flights in and out of Hong Kong canceled as protesters flood the airport Cory Doctorow

art 'My uncle from Romania just built this out of recycled old parts from everyday objects' Xeni Jardin

music On the 50th anniversary of Kent State Massacre, listen to the Isley Brothers' "Ohio" David Pescovitz

music K. D. Lang stuns the crowd at Fire Fight Australia with "Hallelujah" Gareth Branwyn

china Call for boycott after the actor who played Mulan in the reboot supports Hong Kong's brutal police crackdown on pro-democracy protestors Cory Doctorow

Science Scite: a tool to find out if a scientific paper has been supported or contradicted since its publication Cory Doctorow

trump Here is Alex Acosta's resignation letter to Donald Trump Xeni Jardin

scams Why you should never return a robocall – it could cost you a small fortune Mark Frauenfelder

Kids Watch this machine bore out and remove an entire manhole Andrea James

music Are pitch-lowered bird calls what dinosaurs sounded like? Rob Beschizza

Technology Millennials have discovered antennas will give them free TV channels Rusty Blazenhoff

children's books C Is for Cthulhu: The Lovecraft Alphabet Book Jason Weisberger

Gadgets Win the trip of a lifetime by entering the Tim Ferriss around the world giveaway Boing Boing's Shop

WATCH: Mother bear teaches her cub how to climb a cliff Andrea James

robots Robots to remain human slaves Rob Beschizza

politics A beginner's guide to the Redpill Right Jay Allen