NASA's sun-shielded Messenger spacecraft sent back images showing Mercury's single rocky plate is contracting, with massive slabs of rock sliding over one another and creating cliffs that can reach two miles high.
The Republican Race for Iowa Every GOP presidential candidate is making a play for the Hawkeye State. That’s something we haven’t seen in a long time.
“You Can Call Me Laura” Here are L.V. Anderson’s favorite reads from Slate this week, from #teamweasel to the discovery of thiamin.
It Took a Horrible Wasting Disease—and Lots and Lots of Chickens—for Scientists to Discover Vitamins