SEC Approves New Bitcoin ETFs, in Boon for Crypto Industry

Federal regulators on Wednesday approved a new financial product that tracks the price of Bitcoin, a landmark moment for the cryptocurrency industry that proponents hope will increase investment in the technology. The Securities and Exchange Commission authorized 11 applications to offer exchange-traded funds tied to Bitcoin, a potentially simpler way for people to invest in…

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AI and Education: Will Chatbots Soon Tutor Your Children?

Sal Khan, the chief executive of Khan Academy, gave a rousing TED Talk last spring in which he predicted that A.I. chatbots would soon revolutionize education. “We’re at the cusp of using A.I. for probably the biggest positive transformation that education has ever seen,” Mr. Khan, whose nonprofit education group has provided online lessons for…

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