It was one of the Earth's momentous times. Continents collided. Volcanoes erupted. Ocean currents shifted. Species ran amok.
Where is the last place you would expect to find a seashell? Probably on the top of a mountain right?
Is Earth's climate vulnerable to small disturbances? Two geologists described the past vulnerability of an ocean current called the North Atlantic conveyor.
Did you know hurricanes can be constructive to the Atlantic Ocean?
Hundreds of millions of years ago the continents were joined together in a super-continent that scientists call Pangaea. It means “all lands” in Greek. It stretched all the way from the North to the South Pole, but that’s not the way the earth looks now, obviously. What happened? Learn more on this Moment of Science.