Facebook chief exec Mark Zuckerberg and his wife Dr. Priscilla Chan announced they plan to invest more than $3 billion over the next 10 years to develop tech focused on research to combat disease. “The first investment by the couple’s for-profit philanthropic arm, the Chan Zuckerberg Initiative LLC, will be $600 million to create a research lab of engineers and scientists based in San Francisco,” reports The Wall Street Journal. “This focus on building on tools suggests a road map for how we might go about curing, preventing and managing all diseases this century,” said Zuckerberg.