By following honeyguides, a species of bird, people in Africa are able to locate bees’ nests to harvest honey. Research now reveals that humans use special calls to solicit the help of honeyguides and that honeyguides actively recruit appropriate human partners. This relationship is a rare example of cooperation between humans and free-living animals.

We learn about the thousands of kilometers that humpback whales travel from their summer habitat in the polar regions to the tropical or subtropical waters where they spend the winter. Their multi-versed songs and the markings on their flukes are also discussed.

Plus on y pense, plus le voyage dans le temps a l'air compliqué ! Pourquoi ? Cette vidéo explique le paradoxe du grand-père, une théorie qui en explique les raisons.

On aurait pu penser que le jeu "pierre-papier-ciseaux" repose uniquement sur le pur hasard, mais des scientifiques ont démontré qu'on peut appliquer une stratégie pour gagner.