Daphne Koller

Not everything that happens in an in-person classroom is currently replicated with an online course, and perhaps the experience will never be the quite the same. But there are new opportunities that online learning opens up that would have never been possible without this technology.

Online education, then, can serve two goals. For students lucky enough to have access to great teachers, blended learning can mean even better outcomes at the same or lower cost. And for the millions here and abroad who lack access to good, in-person education, online learning can open doors that would otherwise remain closed.

Mushrooms are miniature pharmaceutical factories, and of the thousands of mushroom species in nature, our ancestors and modern scientists have identified several dozen that have a unique combination of talents that improve our health.

I talked to a lot of employers who just are, are fearful of what's coming next out of Washington. It's all the spending, it's all the debt. It's their national energy tax, they want to call it cap and trade - more mandates, higher costs, more taxes. Their healthcare bill - more mandates, higher costs, higher taxes.