video Ever wonder how land surveying devices work? Watch and learn Andrea James

mad kings Bizarre: Trump seen "taking a little walk" on top of the White House roof (video) Carla Sinclair

music "NPS Front Desk" showcases talented Rangers Jennifer Sandlin

Science NASA working to bring evidence of Martian life back to Earth Gail Sherman

nfl Medical historian explores how the science of repeated head injuries was established, and then forgotten Jennifer Sandlin

History New histories of Black California Elías Villoro

kkk Ku Klux Klan plaque still displayed at US military academy West Point David Pescovitz

crimes Man's deathbed confession about his dad burying Jimmy Hoffa has led FBI to a former Jersey City dump David Pescovitz

vaccinations George Washington's smallpox inoculation mandate Jason Weisberger

Boing Boing Gadgets This $80 drone sports a 4K camera for stellar photography and video footage Boing Boing's Shop

neoliberalism The dystopian roots of the concept of "Meritocracy" Thom Dunn

racism Former FX tech person points out the racist trajectory of skin and hair CGI Clive Thompson

Science A neuroscientist's take on synthetic telepathy, electrified ESP, and mind control David Pescovitz

free speech Man who was fined $500 for criticizing traffic light timing gets his idea adopted by Institute of Transportation Engineers Mark Frauenfelder

health Indiana's oldest state employee retiring at 102 Xeni Jardin

film The world's first Christmas movie is a silent one made in 1898 Rusty Blazenhoff

police Drone detectives to identify evidence and create immersive simulations of crime scenes David Pescovitz

happy mutants How a civic hacker used open data to halve tickets at Chicago's most confusing parking spot Cory Doctorow

History Welsh heat wave reveals ancient ruins under farm fields Andrea James

scholarship Women (but not men) with high GPAs are less likely to get job offers Cory Doctorow