Here’s how much coffee, meat, beer, McDonald’s, and more you can buy for $5 in countries around the world.
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The winners of the 2013 Google Science Fair have been announced, and the prizes this year go to some truly amazing young scientists.
Photographs by André Kuipers/ESA/NASA See Astronaut André Kuipers’ Entire Gallery on Flickr!
The animation shows how the surface of Mars might have appeared during this ancient clement period, beginning with a flyover of a Martian lake. The artist’s concept is based on evidence that Mars was once very different. Rapidly moving clouds suggest the passage of time, and the shift from a warm and wet to a cold and dry climate is shown as the animation progresses. The lakes dry up, while the atmosphere gradually transitions from Earthlike blue skies to the dusty pink and tan hues seen on Mars today.
The butterfly effect is associated with the unpredictable world of chaos… Two of our physicists have a chat about it.
We all love Grand Theft Auto and were astounded by what we found out making this video – let’s see how much you know!