单词:buckling stability limit
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1. The nomination of Elena Kagan for the Supreme Court clears a Senate Committee by a vote of 13:6, with only one Republican supporting her. Now, the full Senate is expected to vote on her nomination before Congress begins its summer recess. 2. Actre
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. If you have a dog, you know you gotta walk it. But do you know how it walks? Well, if you have no idea which foot Fido puts forward when, youre in good c
Angling to get the abs of a Victoria's Secret model? One personal trainer insists that sticking to sit-ups won't get you there. 想要练成维多利亚的秘密模特的马甲线?一位私人教练告诉你坚持做仰卧起坐不能让你如愿以偿
It's often hot in India. But the past 10 days have been exceptional, even for one of the hottest places on the planet. The highest temperature recorded on Wednesday reached 116.6 degrees Fahrenheit in the eastern states of Jharkhand and Odisha. 印度一