A rare astronomical event will take place Tuesday evening: The planet Venus will pass between Earth and the sun, appearing as a small black dot moving across the sun's bright disk. It's known as the transit of Venus, and it won't happen again for more than 100 years.
The early word is that it could have been worse. The steel and aluminum dome atop the Mount Evans observatory was destroyed by high winds over the winter. But damage to the telescope inside may not be as bad as first thought.
This is a commencement address I gave this weekend at the College of the Atlantic, in Bar Harbor, Maine. It's a small, highly interdisciplinary liberal arts college that I much admire. This is my talk to the graduating class.
Summer living is supposed to be easy — school is out, the days are long, the traffic eases. But it's not all inner tubes and lemonade: Summer can throw us some curveballs, too. How can I avoid sunburn? What can I do to stave off that brain freeze? Why do my s'mores always burn?
Fear not; NPR is here to help. As part of our new Summer Science series, we'll turn to science to tackle these vexing questions, starting with how to build the perfect campfire.