Most of the annotations popping up while you are watching YouTube videos are really annoying, but there is a really simple on-click way to get rid of them.
The amazing timelapse is a beautiful composition of thousands carefully taken photos, shot in 36 cities and 21 countries, capturing the magnificent and prime examples of European architecture.
Another great TEDtalk about genetically engineering male mosquitoes to make them sterile, and releasing the insects into the wild, to cut down on disease-carrying species.
