This is Scientific American's 60-second Science, I'm Jared Rizzi. 这里是科学美国人60秒科学系列，我是贾里德里吉。 Kids spend a lot of time looking at screens. And some parents worry. But a new study a??????rgues against the appre...
This is Scientific American's 60-second Science, I'mSusanne Bard. 这里是科学美国人60秒科学系列，我是苏珊娜巴德。 It's not easy to study the early development of thehuman brain. 研究人脑的早期发育并不容易。 The brai...
This is Scientific American's 60-second Science, I'm Annie Sneed. Earth's magnetic fieldwhich creates our planet's north and south poleis far from fixed. In fact, the field is quite active; sometimes it weakens, and even reverses, causing Earth's pol...
This is Scientific American's 60-second Science, I'm Christopher Intagliata. In 1964 the Beatles set foot in America and kicked off the British invasion. But musical revolutions don't occur only in human culture. They also happen among humpback whale...
This is Scientific American 60-second Science, I'm Jared Rizzi. 这里是科学美国人60秒科学系列，我是贾里德里吉。 Best before, sell by, for best results, use by. You probably have many of these labels on items in your fridge and pa...
This is Scientific American 60-second Science, I'm Susanne Bard. 这里是科学美国人60秒科学系列，我是苏珊娜巴德。 We often associate giant solar arrays with deserts. But the extreme heat can curb solar panels' potential. 我们经常...
This is Scientific American 60-second Science, I'm Christine Herman. 这里是科学美国人60秒科学系列，我是克里斯汀赫尔曼。 Got a minute? 有一分钟时间吗？ Polyurethane: It's used to make seat cushions, memory foam, paint a...
This is Scientific American 60-second Science, I'm Christopher Intagliata. 这里是科学美国人60秒科学系列，我是克里斯托弗因塔格里塔。 High cholesterol affects a third of American adults. But it's not just us! Studies have ind...
This is Scientific American's 60-second Science, I'm Susanne Bard. 这里是科学美国人60秒科学，我是苏珊娜巴德。 Some scientists stick to the lab. But others brave venomous snakes and downed power lines. Take Jonathan Pruitt, an evol...
This is Scientific American's 60-second Science, I'mChristopher Intagliata. 这里是科学美国人60秒科学系列，我是克里斯托弗因塔格里塔。 Mosquitoes are precision guided to their prey byplumes of carbon dioxide, heat and humidit...
