文章列表

• 1.【英语时差8,16】猫薄荷是什么？（下）
• Lactones carry chemical messages inside a body, and nepetalactone carries its message straight to the pleasure center of a cats brain, where it can ra...
• 2.【英语时差8,16】看“聪明宝宝"影片有用吗？（上）
• Ive heard that so called smart baby videos claiming to enhance language and number skills are pretty much worthless when it comes to actually making b...
• 3.【英语时差8,16】猫薄荷是什么？（上）
• It induces euphoria, and excites the sexual regions of the brain. It is quite possibly hallucinogenic. It leads to strange, unpredictable, and unprodu...
• 4.【英语时差8,16】甜菜汁有益大脑（下）
• Using MRI scans, the researchers found that drinking beet juice did indeed increase blood flow to the brain. Not only that, but it sent more blood rus...
• 5.【英语时差8,16】斜坡物理学（上）
• Last time we discussed a classic physics question. Drop two objects of different mass, say a bowling ball and a golf ball, from a high building. Which...
• 6.【英语时差8,16】智齿干细胞（下）
• The gene manipulation procedure does appear to work in cells taken from the pulpy tissue of extracted wisdom teeth. Scientists in Japan working with w...
• 7.【英语时差8,16】动物界的染色体有何不同？（下）
• But whats true for mammals isnt always true for the rest of the animal kingdom. The sex of baby birds is also determined by two different sex chromoso...
• 8.【英语时差8,16】智齿干细胞（上）
• Wisdom teeth can be a nuisance. They may have once served a purpose way back in human prehistorybut today many people simply get rid of them. Accordin...
• 9.【英语时差8,16】斜坡物理学（下）
• Okay, so why not do what Galileo did when he first demonstrated this fact? Use a ramp instead of a building. Start your bowling ball and your golf bal...
• 10.【英语时差8,16】如何界定性别？（下）
• Another sexual difference among mammals that doesnt hold with other animals is size. In most mammals the male is larger than the female, but in most o...