A fossil find from Poland shows that dinosaurs were not the only big creatures on Earth around 200 million years ago. Despite their reptilian heritage dicynodonts and their relatives were the ancestors of all modern mammals, including humans. ... What mammals were alive with dinosaurs? Theduck-...
Did Homo sapiens live with dinosaurs? Did dinosaurs and humans coexist? Did dinosaurs exist during the Jurassic Period? Where did dinosaurs come from? Are chickens descendants of dinosaurs? What dinosaurs lived in the U.K.? Are dragons and dinosaurs the same?
When you were young, who rode you around on the back of his bike? Who played soccer and flew kites 1 with you in the park? Who helped you with your first difficult maths problem? Who taught you the differences between right and wrong? Your dad. Now it is your turn to do something ...
When you were young, who rode you around on the back of his bike? Who played football and flew kites with you in the park? Who helped you___your first difficult math problem? Who taught you the ___between right and wrong? Your dad. Now...
And how much salt do humans pour onto our planet’s surface? The second question is easier to answer: a lot. Salt doesn’t directly melt ice, nor does it make snow simply disappear. Instead it makes water le...
When did dogs andpeople become friends? Where did dogs come from?A group of scientists tried to answer these questions. They just finished a study aboutthe history of dogs. In the study, they looked at the DNA of dogs all over the world andfound that dogs, like humans, shared DNA with...
题目Robot fools humans The idea that robots could one day be our friends has been around for a long time but until now they have always seemed more machine than person.A new study by a researcher at the Italian Institute of Technology has found that in fact it's possib...
“They were second graders, you know, at that time; they were not aware of what was going on in the world around them so much,” Stidham said. Even 60 years later, she still looks forward to watching new documentaries and TV series about the...
For the study of the relationship between birds and dinosaurs, these details are very 9 . Yet still nobody knows 10 and why feathers appeared on the earth. Scientists hope to solve the puzzle (谜题) by studying the area where the fossils were found. “These beds date to a time when ...
根据第五段Mandy could make friends with others in 10 minutes,but I was embarrassed when there were no familiar faces around me.By the time I arrived there,I had made myself believe that I was happy to give up going to the camp.(Mandy可以在10分钟内和别人交朋友,但当...