One in three children in the United States is overweight or obese. A new study shows that some obese children as young as three have early warning signs for heart disease...
The biologists discovered that the skin of the shark is the key to the animal’s high efficiency in swimming through the water. The skin contains many fibers that crisscross like the inside of a belted radial tire. The fibers are called collagen fi...
①While 1%may seem 6,it is not so to a geneticist.②As James Fowler,professor of medical genetics at UC San Diego,says,“Most people do not even 7 their fourth cousins but somehow manage to select as friends the people who 8 our kin.” ...
“value” for the last 13 years – so long that people are asking me whether it’s going to be a permanent condition. My extensive discussions with Andrew led me to conclude that the focus on value versus growth doesn’t serve investors well in the...
1. Why doesn’t John go to school today? A. It’s the weekend. B. He’s too tired for school. C. His school is closed down. 2. What will the man do tomorrow morning? A. Give Frank a bath. B. Cook Frank a meal. C. Take Frank to a vet...
更多内容请点击：Study says high calorie snacks are to blame for obesity...