Rain contains vitamin B12.
188
Temperatures have been cooling since 2002, even as carbon dioxide has continued to rise.
106
Moist air holds heat better than dry air.
114
It snows more in the Grand Canyon than it does in Minneapolis, Minnesota.
113
The Earth sees about 760 thunderstorms every hour, scientists have calculated.
185
Oak trees are struck by lightning more than any other tree.
266
The speed of a typical raindrop is 17 miles per hour.
181

