205. Why do we sleep 00:55 206. What causes dark circles 01:28 207. How do chameleons change color 01:05 208. Why did pirates wear eye patches 01:00 209. How do glasses work 01:06 210. How do nails grow 01:22 211. Why is glass transparent 01:04 212. Why do babies...
1.C.主旨大意题.根据第一段Heat might explain why we lost our fur and now strike an upright and slim pose热度可以解释为什么我们失去了皮毛,现在摆出直立和苗条的姿势和第三段A new study supports the theory that heat helped drive human evolution(进化), by showing that a key source of human evo...
B It's known that most animals have tails(尾巴). But why don't humans have them?Well, millions of years ago, humans did have tails, but we slowly lost them. However, a team has built a robotic(机器人的) tail for old people to help them keep their balance (平衡)The tail is one...
It's known that most animals have tails. But why don't humans have them? Well, millions of years ago, humans did have tails, but we slowly lost them. However, Keio University in Japan has built a robotic tail for old people to help them keep their balance (平衡). The tail is one...
Related: 10 things we learned about our human ancestors in 2023 Researchers found two Alu elements in the gene TBXT that are present in great apes but not in monkeys. (Image credit: Michele D'Amico supersky77 via Getty Images) "We did a lot of other analyses of other genes implicated in...
The answer lies in the evolutionary heritage of Homo sapiens. Humans and apes belong to the group of mammals called "primates." The earliest primates, like many mammals, did indeed have tails. But as these early primates evolved and adapted to new environments and lifestyles, the tail gradually...
have been rightly served; why did I trust my sheep to a Wolf?' The Hares and the Lions THE HARES harangued the assembly, and argued that all should be equal. The Lions made this reply: "Your words, O Hares! aregood; but they lack both claws and teeth such as we have." The Lark...
Why are there two tails to some comets? Why are opposable thumbs important? Why do dogs flap their ears? Why do dogs have floppy ears? Why do animals stretch? Why did animals evolve snouts? Why do dogs bow? Why do we have eyebrows?
aI think what we did on that day was meaningful, which an help us to form. a good habit. We should also call on the people around us to do something for low – carbon living. Only in this way will the earth he a good place to live on.[translate] ...
wasn’t good enough from a coaching standpoint. It wasn’t good enough from a playing standpoint. We’ve got a lot of getting better to do, and we’ve got a short time to do it. We need to get some guys healthy, but we’ve got to play better than we did today in all areas....