When you're young, you fill a condom up with water to laugh at it. You must have done. Didn't you? Maybe you're a respectable married woman and it's something you'd rather forget. If you've young sons they can help you remember. They're taught condoms at school. It's simple ...
Pioneers built the internet with the open, quick exchange of information in mind. But before it was the internet, it wasARPANET— the Advanced Research Projects Agency NETwork, a creation of the Department of Defense. ARPANET was founded in 1966 as a way for scientists across the country to ...
简介:Science starts to get interesting when things don't make sense. Even today there are experimental results that the most brilliant scientists can neither explain nor dismiss. In the past, similar anomalies have revolutionised our world: in the sixteenth century, a set of celestial irregularities...
百度试题 结果1 题目Scientists come up with() to explain how things work.相关知识点: 试题来源: 解析 theories 反馈 收藏
Swollen legs – aka edema or water retention – can cause concern for many people. If you’re not sure what’s causing it, this can help.
"My preferred take is not to ask the question, 'Why is pi important?' Because I can try to explain why the number six is important, but it's just another number. Pi is just the name of a particular spot on the number line," Ullman said. "The question really is, 'Isn't it amaz...
models that are capable of doing these amazing things.” She wanted to know more, but she was told there weren’t good answers: “My assumption was that scientists know what they’re doing. Like, they’d get the theories and then they’d build the models. That wasn’t the case a...
/ How do scientists explain why shaking over such scary things is fun?/ What happens in the brain when something frightens you? 73.选D。从原文第五段To believe we have control over a situation gives us a feeling of power可知D正确。 74.选B。A选项所提的遗传问题在文章第二段“leaving the ...
For physicians and scientists of antiquity, the body was composed of four humours – phlegm, yellow bile, black bile, and blood. If your body wasn’t producing a healthy balance of these humours, then you would get sick. This is why blood letting was so common up until the 1800’s (th...
to explain(explain) what has been observed.In the other words,it is a way to proceed from the particular to the general,from the specific to the abstract.However,it is in the nature of scientists to inquire (3) into every possibility,and this means they often discover...