Jane Goodall discovered 40 years ago that chimpanzees wage war. Until then, she thought they were rather nicer than humans. But her shocking observation of animal warfare was not the first. It was the second. By then scientists had known f…

Source: Food Environment Atlas, U.S. Department of Agriculture, Economic Research ServiceEven within the borders of one of the world's top agricultural countries, healthy food can be hard to come by.come by: …を手に入れる、(偶然)を受ける、…

PROFILENAMESBrittany WengerTITLEHighschool seniorLOCATIONLakewood Ranch, Fla. How did you feel when you heard you had won not only your age category but also the grand prize at the July 23 awards ceremony ?grand prize: 大賞 I was just so e…

When a star becomes a white dwarf-an old, extremely dense star that would have once had a mass similar to our own sun's-the eventful part of its life is over.dwarf: (特に、頭が大きく手足が短い)小びと、(おとぎ話に出てくる)醜い小びと、特別に…