Daylight saving was first introduced by European countries during World War I, with much of the U.S. joining the party in 1918. The idea was that more hours of daylight would "conserve coal for the war effort.
I bet at some point you were wondering how much gold is there in the world. I know I have. See these mind-blowing 3D visualizations of gold compared to everyday objects to get a better perception.
Awesome video of a father and son who send a weather balloon with son's favorite toy to the very edge of space. And if you are the first to answer the question correctly you will get a reward.
When two top of the line predators meet one would think the fight would last longer. But not this time, incredible footage by National Geographic showing Jaguar taking down the caiman.
I probably don't need to tell you that there's no such thing as a justified or reasonable cause for starting a war, ever. Watch this video and I think you will know what I mean.
Crows are one of the smartest birds around, but they don't stand a chance against lightning fast and agile falcons. Watch this amazing video to learn how falcons hunt in mid-air from their very perspective.
Check out the Russian Soyuz TMA-05M space rocket launch with three spacemen on board who will be docked to the International Space Station for the next four months.
Slit Camera Photography might be something you never heard of before, but I bet you already saw at least one example of it, you probably just didn't know it's called that way.
What is sea level, is it better to walk or run in the rain, why is it dark at night, what is dark matter and many more questions explained in short videos in a real fun and intuitive way.
