China’s first facial transplant patient was discharged Friday after undergoing successful surgery in Xijing Hospital in northwest China’s Shaanxi Province.

On Monday Amazon.com, the largest US online retailer, reported financial results for the second quarter of 2006. The results included a 58% drop in profit,despite a 22% rise in revenue. Net sales also increased to $2.14 billion, up from $1.75 billion a year earlier.

As an African-American, Dr. Rick Kittles wanted to know who his ancestors were and their countries of origin. So the geneticist decided to create a database of African lineages.