Nature’s Gigantic Snow Plough On January 10, 1962, an enormous piece of glacier broke away and tumbled... [查看全文]
Three English dictionaries published recently all lay claim to possessing a ne w feature. The BBC English Dic... [查看全文]
There are some earth phenomena you can count on, but the magnetic field, someday is not of them. It fluctua... [查看全文]
Migration is usually defined as permanent or semipermanent change o f residence. This broad definition, of... [查看全文]
About 5,000 years ago, the Egyptians and other people in the Near East began to use pictures as kind of wr... [查看全文]
Certainly no creature in the sea is odder than the common sea cucumber. All living creature, especially huma... [查看全文]
Tucked away in our subconscious is an idyllic vision. We see ourselves on a long trip that spans the contin... [查看全文]
Let children learn to judge their own work. A child learning to talk does not learn by being corrected all... [查看全文]
Computers monitor everything in Singapore from soil composition to location of manholes. At the airport, it to... [查看全文]
Racket, din clamor, noise, whatever you want to call it, unwanted sound is America’s most widespread nui... [查看全文]