Originally published on Sun October 21, 2012 12:09 pm
If you're Tiger Woods or Rory McIlroy teeing off in the final rounds of the 2012 PGA Championship this weekend, you're probably not thinking about the fascinating history of the golf ball. But those of us who are just spectating can take a moment to contemplate this little gem of modern engineering. From wood to feathers to tree sap, rubber bands, cork or compressed air — today's little white spheroid has had an interesting evolution.
It's WEEKENDS on ALL THINGS CONSIDERED from NPR News. I'm Guy Raz.
And as we've been reporting, Wisconsin Congressman Paul Ryan has joined Mitt Romney on the GOP presidential ticket. The two men launched a multiday, multistate bus tour this morning. They spent much of the day in Virginia where crowds came out to cheer them on, including in Ashland, where Paul Ryan spoke.