Facebook CEO Mark Zuckerberg and his wife Priscilla Chan pledge $3 billion to medical research to "cure, prevent or manage all diseases by the end of the century"
- Genomic study finding Australian Aboriginal oldest known civilisation on earth published in "Nature"
- Migrant boat carrying 450-600 people capsizes off the Egyptian coast, only 163 rescued
- Three genetic studies published in "Nature" conclude all non-Africans descended from one migration out of Africa 50-80,000 years ago
- Ben Cauley, musician (The Bar-Kays) and plane crash survivor, dies at 67
- John D. Loudermilk, American country singer and songwriter (Tobacco Road), dies at 82