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Based on indirect explorations, it is assumed that water is located close to the surface of craters up to 10 kilometers deep on the reverse side of the moon. Ultrasonic equipment can be eventually installed on lunar and Martian rovers, Khmelyov said.

Banks also said that Trump's coronavirus illness raises the profile of this debate, but only by a little, and that the vice-presidential debate is "highly unlikely" to shift the race.

BUENOS AIRES - Argentina will begin a mandatory quarantine, President Alberto Fernandez announced on Thursday, the South American nation's latest measure to curb the spread of coronavirus.

Baker: I think it’s a model for book publishing. It goes back to what writers like Dickens were doing in the 19th Century. Selling a serialized experience. You could sell chapters, and basically you have the buyers become subscribers. Your interaction with them doesn’t end when they buy the book. I could continue to write and funnel content to the people who bought the book, and they could buy it for 50 cents, or 75 cents or whatever it is.

Baker: No, they can’t. The thing is, they can still produce the answer, but they can’t have the miraculous breakthrough that Ken Jennings has when he sees that it’s Troilus and Cressida or whatever comes to mind. The complexity and the richness of the human brain is so far beyond the likes of Watson right now. But Watson — in its plodding, inefficient way — if it can come up with answers, then it’s going to displace us. That’s a real challenge to us because our whole education system, or much of it, is based on answering questions. And answering questions is the easiest thing to test, and the easiest thing to measure.