Two of Charles Darwin’s notebooks from the 1800s went missing from Cambridge University’s library in 2001.  But they just announced someone returned them last month.  They were left outside the librarian’s office with a note that said “Happy Easter.”………………….Speaking of libraries:  A new study found they’re thriving, even in the digital age.  174 million Americans have a library card, which is around 54% of the population.  And when you count digital collections, we’re borrowing more books than ever……………..And finally…………….