
How do smoke alarms detect smoke? (part 1)
Chemistry For Your Life
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How to Be a Better Parent
Josh: My mom and my brother came to visit this past weekend. He says his son gets excited about people coming to visit a lot more than he used to. "I'm in this weird phase," Josh says, of being away from home all the time. 'It's kind of fun because we can kind of build it up across the week'
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