Q: Sometimes it's easy to make snowballs, other times it's difficult. What's the reason... for it to melt slightly under the pressure of the thrower's hands, but cold enough for it to reset once ……

blood pressure, Beijing Times reported. Fat and high calories can increase blood viscosity (血液... overweight (24 percent). High blood pressure has also become a rising challenge. This year, 0.83 percent ……

SINCE its invention in ancient times, paper has had three generations. For display, for package...'s Mid Sweden University has produced a new interactive paper. It uses pressure-sensitive conductive ……

英国小学生要考乘法表，还是升级版！Do you know your times tables (乘法口诀) well? They may not be difficult for you... Chinese times tables. In March, about 7,250 fourth-graders in England will take a times table test ……

pressure.The science teacher’s video shows how it works. First, the teacher blows 10 times with his..., when fluids (流体) (liquids and gases) move quickly, they immediately create low-pressure zones behind ……

quickly, they create low-pressure zones (低压区域). Faster movement means lower pressure. The higher-pressure fluids will rush to fill the low-pressure zone. In the video, the teacher blows (吹 ……

-- essentially a pressure chamber called an air lock -- should have been delivered to the space station in June... four large high-pressure gas tanks also being carried up by Atlantis. Three spacewalks are planned ……

in to find their life mates.I told myself so many times that I would never get involved...? Especially when many of us are under great pressure to work and make money.Guangdong user, i21st ……

There are times when we think it’s necessary to hold in a sneeze. This may be during an important... produces a lot of air pressure (压力). So if we block our nose and close our mouth, there’s no way ……

fault. She told me, "all you have done is pressure me." I never thought about that because I just wanted to help her.But in fact, the more I did for her, the more pressure was put on her.As all ……

four to five times more GABA, a substance reported to be effective in controlling high blood pressure.... The tomato contains four to five times more GABA, a substance reported to be effective in controlling high ……

cause high blood pressure and other diseases. But people hate bland (寡淡的) food. To solve... current (电流) to increase the salty taste by 1.5 times. Researchers hope that the chopsticks can help ……

spread pressure evenly, making the material 5.6 times tougher than commonly used cement... a new material with tiny tubes inside. These tubes help spread pressure evenly, making the material 5.6 ……

sports and medical products worn on other parts of the body. The Los Angeles Times introduces some....Sensoria Fitness Sock for runners. The sock is fitted with *textile pressure sensors that provide ……

in an interview with The New York Times. “Hikikomori is a resistance to that pressure. Some of them... problem in Japan. According to The New York Times, some experts estimate that 1 million Japanese ……