单词:random coiling polymer
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This is Scientific American's 60-Second Science. Im Cynthia Graber. This will just take a minute. Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because
Most of us blink without thinking. But people whove sustained strokes or combat injuries can lose their ability to blink. Which is important for lubricating and cleaning the eye. Surgery is an optiona small piece of muscle transplanted from the leg c
This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute?. [Spray sound.] Killing bugs? No. [Spray sound.] Deodorizing the bathroom? No. [Spray sound.] Checking for explosives, yes. Because chemists at the University of Califor
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Solar cells convert sunlight to electricity. But they don't take advantage of all that solar heat, thereby missing out on the majority of the solar ene
tee,2J,j-xc Scared to be alone Frightened of the dark Everything's too much for a boy out of touch with his fellings I must be blame I must be at fault I believe I'm never good enough to shine a light that lingers I have witnessed starbursts in your
Tori Amos-Lust:另类中的唯美美声 Tori Amos是许多女性的Sexy,她的声音和气质都让我着迷,我从来都欣赏这种有思想的女歌手,因为她同那些只会做傀儡的人有本质的区别。1963年八月出生于美国北