China's GDP growth slowed in the second quarter of 2013 -- to 7.5 percent, China's weakest rate since 1991. (Marketplace)


As in Philanthropy 101. Warren Buffett makes an appearance teaching an online course in charitable giving. As a teaching tool, Warren's family has chipped in $100,000 in real money for the class of 4,000 students to give away. (AP)


The mayor of Vilnius, Lithuania's capital city, has installed a giant video screen to display the happiness level of residents on a scale of 1-10, a "Happiness Barometer". Just one concern: recent polling of happiness in 58 countries shows Lithuania practically dead last. (Reuters)

No. 1

Just after it was discovered that Harry Potter author J.K. Rowling used a pseudonym to publish "The Cuckoo's Calling", the book shot up to the number one spot on Amazon and is now back ordered for 10-14 days. (Publisher's Weekly)

Follow Katie Long at @katieplong