The butterfly effect is the idea that a small change in one part of the world can have huge consequences in another. It is often used as a metaphor for how our actions can shape the future in unpredictable ways.
The term was coined by the American mathematician and meteorologist Edward Lorenz, who was studying the behavior of weather systems. He discovered ... Show More
Today
Why do we hook up with our exes so often?
You thought they were the one. You could already see yourselves growing old together… and then it just fell apart. A few arguments, one or two mistakes, and that was that.
Except that between love, resentment, nostalgia and shared memories, sometimes the urge to ‘go back for se ... Show More
5m 22s
Today
Why does smiling increase life expectancy?
An often cited estimate suggests that children smile an average of 400 times per day, while when we reach adulthood that figure drops to just 50 times, even for the happiest of us. For most adults, it’s more like 20 times.
Now of course most of the time we smile involuntarily in ... Show More
4m 37s
Jun 2023
Qu’est-ce que le phénomène El Niño, qui pourrait avoir de lourdes conséquences sur le climat ?
En mars 2023, le GIEC, Groupe d'experts intergouvernemental sur l'évolution du climat, publiait son sixième rapport, et les nouvelles n’étaient pas bonnes. Le climat de la Terre se réchauffe à une vitesse considérable, bien plus rapidement que prévu.
On observe ce réchauffement ... Show More
4m 42s