Knowtex

Astrophysicist Dr. Neil DeGrasse Tyson was asked by a reader of TIME magazine, "What is the most astounding fact you can share with us about the Universe?" This is his answer.

We can never really be aware of or live in what we call "now". Because it takes time for our brain to process the information about what's happening now… and it takes time for that information to get from the rest of our body to our brain. So, we live in the past!

Richard Feynman talks about "beauty". The Feynman Series is a companion project of The Sagan Series working in the hopes of promoting scientific education and scientific literacy in the general population.

A huge dolphin pod in front of the Dana Pride.

Après Apostrophes et Bouillon de Culture ou il parlait littérature, Bernard Pivot a trouvé un nouveau moyen d'expression : Twitter.

Afin de reprendre la main sur la machine, les initiations à la programmation se multiplient, tels les Coding Goûters.

Our system of law doesn't acknowledge the derivative nature of creativity. Instead, ideas are regarded as property, as unique and original lots with distinct boundaries. But ideas aren't so tidy. They're layered, they’re interwoven, they're tangled…

Golden Tiger est un projet de projection 3D d’un tigre en mouvement sur les murs de Paris. Capturée avec une simple caméra, l’image du tigre est projetée à travers la fenêtre du véhicule. La vitesse de ses déplacements étant régulée par un ensemble de capteurs situés sur les roues de la voiture.

Confier la mémoire numérique aux seules mains d’acteurs commerciaux est une folie culturelle, et un risque majeur pour les sociétés humaines.

TED Quotes brings you salient bits of TEDTalks, on everything from activism to storytelling, from chemistry to curiosity.

Erik Johansson creates realistic photos of impossible scenes -- capturing ideas, not moments. In this witty how-to, the Photoshop wizard describes the principles he uses to make these fantastical scenarios come to life, while keeping them visually plausible.