文章列表

• 1.时差N小时 为什么我们需要睡眠?(上)
• Dear A Moment of Science, 亲爱的《科学一科》栏目组： Why do we sleep? 我们为什么需要睡觉? I know this question has been debated by scientists and phil...
• 2.时差N小时 为什么我们需要睡眠?(下)
• More specifically, the study found that sleep sort of changes the brain's cellular structure. 更确切的说，该研究发现睡眠在某种程度上改变了大脑的细胞结...
• 3.时差N小时 适当的运动能提高智商?(上)
• Stretching and toning are certainly important, but their benefits are different from that of aerobic exercise. 伸展和拉伸当然很重要，但是，这些运动对...
• 4.时差N小时 适当的运动能提高智商?(下)
• One of the studies divided a group of seniors into two different six-month exercise courses one course consisting of aerobic exercise, the other consi...
• 5.时差N小时 猴子如何示爱?(上)
• Marmosets are small primates. 绒猴是小型灵长类动物。 Think of a monkey with huge fuzzy ears. 想象一只有巨大、毛绒绒耳朵的猴子。 Primatologists have of...
• 6.时差N小时 杯子的形状会影响饮水量?(上)
• How does the shape of a glass affect how much you drink? 水杯的形状是怎样影响喝水量的呢? A scientist set out to examine just this, and the results are...
• 7.时差N小时 过度捕鲸的危害超乎想象!(上)
• Until recently, when scientists studied changes in open-ocean ecosystems, 直到最近，当科学家们在研究开放海洋生态系统的变化时， they looked at changes ...
• 8.时差N小时 过度捕鲸的危害超乎想象!(下)
• You see, killer whales, who live at the top of the ocean food chain, used to prey on sperm and baleen whales. 虎鲸在海洋食物链占据最高层，它通常捕食抹...
• 9.时差N小时 为什么盐能加速冰融化?(上)
• Why does salt melt ice? 为什么食盐能让冰块融化? It lowers the melting and freezing point of water. 是因为食盐将水的熔点和冰点降低了。 Oh, OK. Wait, I ...
• 10.时差N小时 为什么盐能加速冰融化?(下)
• Since there are now fewer liquid water molecules to be captured and frozen by the ice, the rate of freezing drops. 既然结冰的液态水分子减少了，冰点自...