文章列表

• 1.【英语时差8,16】糖为什么会溶解？
• Did you ever wonder why sugar dissolves in a cup of coffee? Why not have the sugar just float in the middle of the cup, without dissipating into the c...
• 2.【英语时差8,16】大脑与手2
• When people lose a hand, the part of the brain dedicated to that area receives no input at all. It becomes inactive. But the areas around it are still...
• 3.【英语时差8,16】绿色植物能预知未来？
• The scientists guessed that the new seedlings were sensing the presence of neighboring plants by detecting the characteristic color of light reflected...
• 4.【英语时差8,16】鞋子里的GPS
• But measuring movement is actually pretty tricky. Any small mistake in the measured acceleration results in position errors that grow with time. So ev...
• 5.【英语时差8,16】钱能买到一切?
• or example, spending money on things, like a new car or big flat screen TV, may give you a happiness bump at first. But its only temporary. Because we...
• 6.【英语时差8,16】生病了也可以运动？
• D: I guess it make sense. It's just I've heard that regular physical activity can strengthen your immune system and help prevent catching cold and oth...
• 7.【英语时差8,16】如何界定性别？
• When you go to the pet store to pick out a new puppy, one of the first questions you may be asked is whether you want a male or a female. And when you...
• 8.【英语时差8,16】抗生素
• Antibiotics, as the name implies, work against life, or more specifically against living cells. Since our bodies are also made up of living cells, the...
• 9.【英语时差8,16】青霉素的历史
• Today, a fever is an uncomfortable nuisance, but a hundred-plus years ago, fevers were often fatal. The difference between then and now is the class o...
• 10.【英语时差8,16】甜菜汁有益大脑（上）
• Is there any way to prevent or cure dementia? Unfortunately, no: theres no cure for dementia. And theres no sure fire way to prevent it, either. But s...