The first discoveries of ancient human fossils. Neanderthals were the first ancient humans to gain scientific and popular recognition. Their fossils began to be found in Europe in the 1800s but scientists had no perspective or evolutionary framework by which to explain them. What race was the fir...
They know that animals sense far more of the world than humans do. Many animals can see, hear and smell things that people do not even notice. Some can detect tiny changes in air pressure, gravity, or the magnetism (磁力) of Earth. This extra sense probably helps animals predict quakes....
Children were assessed in two waves across a year to measure their math motivation and achievement.The results show that parents who view math ability as changeable are more likely to give process responses focused on their c...
The scientist realized that the dogs had reacted to a booming noise. They also sensed the tiny quakes that followed it. The machine recorded both. though humans felt and heard nothing.In this case there was a machine to monitor what the dogs were sensing. Many times, however, our ma-...
My job is to work out what the objects are and what they were used for. Nij: How come? Michelle: This can tell us about the lives of people who lived a loooong time ago and how we got to be here today Nij: Cool, we want to know how humans came to be alive. Michelle: That'...
"The place where I live is cold,and many stray dogs were dying of(6)cold," he said.The EduPacoca Institute depends on(7)to help these animals in need.First,Edu rented a house;now,he's using the money to(8)food and other expe...
how much you care about humans and what your definition(定义)of reaching the moon might be.Before any people arrived at the moon, other animals had got there first.And unlike the dogs and monkeys that were made famous in early space shots and Earth orbits,the first creatures to reach t...
18. When will the first group go there? A. At 6:00. B. At 7:30. C. At 8:00. 19. What day is it today? A. Friday. B. Saturday. C. Sunday. 20. Who must be very busy on Sunday? A. The sick kids. B. The second...
Darwin explained this theory in his book,On the Origin of Species. It was not published until 1859 and immediately caused a storm. Many people refused to believe that living things,including humans,had evolved from lower forms of life. They were shocked. But Darwin's scientific studies were ...
She sees my talent and pushes me to do the best I possibly can. As I was growing up, we were often on the move. I had to admit that moving so often made me feel lonely. But my mother did everything she could to help me feel happy. In fact, so much traveling was really a ...