A Moment of Science
Contrary to popular belief, some dolphins find habitat in river waters.
The chemicals that cause this reaction are stored in our nerve endings, and when we die, they’re gradually released.
In his book Cosmos, the late scientist Carl Sagan talks about the way in which the earth is regularly struck by material from outer space. These collisions with space debris can be minor–as in a shooting star on a summer night–or amazingly destructive, as in the collision that probably killed off the dinosaurs. Thankfully, the [...]
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