This is Scientific American's 60-second Science, I'm Jason Goldman. 这里是科学美国人60秒科学系列,我是杰森古德曼。 Got a minute? 有一分钟时间吗? They grow to about 20 inches long and weigh less than 10 pounds. So you mi...
I think that I would have anticipated something like twice as fast, not necessarily four times as fast. 我想我应该能预期到两倍的速度,而不是四倍。 And the reason that this number is really interesting, this increase in rate or ar...
This is 60 Second Science, Im Emily Schwing. 这里是60秒科学,我是艾米丽施温。 The boreal forest is the largest terrestrial biome in the world. It covers 14 percent of the land on earth. 北方森林是世界上最大的陆地生物群落...
The attention was concentrated on modifying the atmosphere, on modifying the energy, the intensity, and modifying the analytical tools. 注意力集中在了改变大气,改变能量,改变强度,改变分析工具上。 And the role of the sil...
This is Scientific Americans 60 Second Science. Im Sarah Vitak. 这里是科学美国人60秒科学系列,我是萨拉维塔克。 The question of how life came to be has captivated humans for millennia. 生命是如何形成的这个问题已经困扰...
This is Scientific Americans 60-Second Science. I'm Christopher Intagliata. 这里是科学美国人60秒科学系列,我是克里斯托弗因塔利亚塔。 Just like cows, sheep and bison roam in herds today, so, too, did plant-eating dinosaurs. 就...
This is Scientific American's 60-second Science, I'm Christopher Intagliata. 这里是科学美国人60秒科学系列,我是克里斯托弗因塔利亚塔。 Exactly 1,000 years ago, in the year 1021, a Viking or two or three likely wandered aroun...