There is a small amount (数量) of gold in the human body. ……

that is as thin as a human hair. This battery is small enough to power robots that are no bigger than... it’s so small, it could help tiny robots enter the body to deliver medicine or go into pipelines to find ……

work via your body.New technology will allow your body to link the following: your mobile phone... would pass through your clothing and shoot over your body to headphones in your ears. Instead of using ……

and broad shoulders for arm power.Sprinting: The perfect 100m sprinter is tall, with a unified body... to weight ratio and even muscles. She has a narrow body for superb balance and a high power, high capacity ……

widely used because they are not small enough and can’t produce enough power to run most electronic...THE HUMAN body can digest (消化) food and convert (转换) it into energy to help us talk, walk and think ……

body and your environment, then creates enough electrical current to power a small LED (发光...HAVE you ever thought about how we use our body heat? A New York-based designer called Ross ……

different types of strength. Some animals are small in size but great in power.Many animals are good... are small in size but great in power.African bush elephants They are the world’s largest land ……

of chewing gum (口香糖), it will take seven years for your body to fully digest (消化) it. An even more... being broken down. Though gum is powerfully sticky (粘的), your insides have a much greater power ……

the amount of energy produced is small - 20 microwatts ( 微瓦) - it is quite impressive in relation to the tiny scale of the motor. One day a similar engine might power a tiny mechanical doctor that could ……

. The pet dog becomes a doll because it has lost all its power saving Ti. But Dicky wears the doll around... in movies, CJ7 is designed to look like a pet dog. The dog is small and hairy, with big eyes and a fluffy ……

and not others.That does not mean that parents should push their children into a sport based on their body type... it, not because they are aiming to enter the Olympics.But understanding why body size matters ……

Researchers have identified high- and low-power body language. Spot which positions convey authority. (See answers in box.)Answers to the quizHigh-power: A, D, FLow-power: B, C, EA: Expansively ……

the lightbulb to get power from the base even when they are not in contact. Shoes that tie themselvesThey’re... shoes have small motors that control their laces. When you step in them, your feet will hit a sensor ……

is a technology called induction. It allows the lightbulb to get power from the base even when...) that tie themselves in the way we tie them. Instead, the new shoes have small motors that control ……

我的笔是只斑马！I have a cartoon zebra. It is gray. It has a small body. Its head is as big as its body.... Its body is a pen stand (托架). The head is the top of the pen. Isn’t it cute?山东省青岛宁夏路小学六(2)班 安钟睿 ……