August 10, 2023
1. In past, people used frogs to test for pregnancy Until 1960s, doctors used frogs as pregnancy tests. The female's urine is injected into an African clawed frog, and if frog ovulates within 12 hours, female is pregnant. The accu...
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August 09, 2023
1. Take two objects of same weight but different sizes at same time. At this time, you usually feel that larger object is heavier, and this phenomenon is called illusion of size and weight. 2. To date, world's lightest material i...
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August 08, 2023
1. People cannot cry in space because there is no gravity and tears cannot flow. 2. Miranda, a moon of Uranus, has a 20-kilometer-deep rock called Verona Rupes, which is 10 times deeper than US Grand Canyon. 3. The center of gal...
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August 07, 2023
There are a lot of things that seem completely impossible but are actually right? 1. A sheet of paper is folded 42 times, and its thickness can reach moon. A piece of standard paper 0.01 cm thick, folded once is 0.02 cm, and fold...
Read moreScience is a body of knowledge for studying world and understanding natural phenomena, covering a lot of interesting and useful knowledge. In this article, we will introduce you to some simple and interesting scientific knowledge....
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August 04, 2023
Have you ever encountered this problem: some little things in everyday life always make people think about principles behind them? Today, I'll take you to expand your knowledge and see scientific principles behind these seemingly ...
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August 03, 2023
The world is so big that there are many wonders in it. People have a deep understanding of never-ending science, constantly learning things around them. For example, penguins are found not only in Antarctica, but also on equator; ...
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August 02, 2023
01. With an ordinary pencil, you can draw a long line more than 60 kilometers long. 02.Statistically speaking, likelihood of an accident on way to work is about three times higher than on battlefield. 03. The field of view of wo...
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August 01, 2023
Now that science and technology are developing more and more, we can see traces of science and technology everywhere in our lives, from food coloring, preservatives, cigarettes, etc., to rice cookers, televisions and refrigerators...
Read morePopular Science Compilation 1. How much garbage is produced in my country each year? (More than 80 million tons) and at what rate is it growing each year? (10%) 2. What harm does garbage do? (1. Pollution of soil, groundwater, air...
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