Can Oxygen Be Toxic?氧气有毒吗？ In order for us to live we must have oxygen, so how can it be bad for us? Today we explain how oxygen can be toxic. 氧气是我们生存所必需的，所以它怎么会对我们有害呢？今天我们来解释为...
Zero Gravity, Does It Exist? 零重力，是否真的存在？ This Moment of Science: Is there such a thing a zero gravity? 本期科学一刻：是否真的存在零重力？ No Zero Gravity 零重力，无稽之谈 Contrary to popular belief, ther...
Scientists Are Learning So Much About Dinosaur Nests 科学家深度研究恐龙巢穴 Tons of dinosaur fossils have been unearthed over the last hundred years. These long-buried bones tell us about the physical build and eating habits of dinosaurs....
Are You Sure Your Hearts In The Right Place?你能确定自己的心脏是在正确的位置上么？ On todays Moment of Science, were sure your hearts in the right place. But where is it exactly?!? CPR classes show how to press on the sternum, in t...
What Makes Dogs Such Great Sniffers?是什么让狗狗拥有极好的嗅觉呢？ Watch a dog greeting the world with its nose, or following invisible trails of scent, and you might wonder what youre missing. In one study, dogs were able to smell a p...
Why Is Insect Blood Green Or Yellow?为什么昆虫的血是绿色的或是黄色的? Youve probably heard someone use the phrase blood red, but have you ever wondered if all blood really is red? For example, think about the bugs youve seen splatter...
Climate Change May Actually Help Penguins 气候变暖可能有助于企鹅生存 Its time to go again to the A Moment of Science mailbag. A listener writes: Dear A Moment of Science,I know that climate change is making life difficult for polar bears...
The Great Tomato Debate 有名的西红柿辩论 In 1893, the U.S. Supreme Court heard a case that hinged on whether the tomato was a fruit or a vegetable. 1893年，美国最高法院有一场关于西红柿到底是水果还是蔬菜的案子。 De...
Nuts, Nuts, Good for Your Heart 吃坚果有益于你的心脏 Todays program starts with a word association game. What comes to mind when you hear these words: almonds, walnuts, cashews, pistachios. Are you thinking scrumptious and satisfying? Or un...
Does Diet Soda Cause Depression? 无糖汽水会使人沮丧吗？ Its time to go again to the A Moment of Science mailbag. A listener writes: 又到了抽取《科学一刻》信箱来信的时间了。一位听众这样写到： Dear A Moment of Sc...
