History of global temperature 1880-2016
Take 14 seconds to watch the change in Earth’s surface temperature from 1880 through 2016.
Circumpolar stars never rise or set
Circumpolar stars always reside above the horizon, and for that reason, never rise or set. All the stars at the Earth’s North and South Poles are circumpolar. Meanwhile, no star is circumpolar at the equator.
Humans Almost Drove These 6 Animals To Extinction. But We Saved Them Instead. | The Huffington Post
These conservation success stories remind us that the mass extinction of the world’s species doesn’t have to be inevitable.