the occasional fall. Those of championship caliber simply find a way to keep on going, as Japan''s Mao Asada...Mao Asada, 17, won her first world championship last week.A FIGURE skater launches herself ……

. In the Middle Size competition, players can be up to half a metre wide and the game unfolds on a bigger... box bodies give way to extra-long necks with sensors for eyes. The only drawback is the game ……

because humans cannot stand up straight. The spine (脊柱) can also get bigger in zero gravity... in space. They can take vitamin D for bone growth, wear special belts on their legs to keep blood ……

Humans get a little taller in space because there is no gravity pulling down on them. ……

studies under various gravities. The agency’s large centrifuge (离心机) can create artificial gravity...’s large centrifuge (离心机) can create artificial gravity from 1 to 20 g, with g referring ……

, they can't depend on gravity to pull waste water down the pipes of a toilet. So the space model..., astronauts have to cope with weightlessness (失重状态).Flying in the airWithout gravity, the ISS astronauts can ……

倒立吃饭，食物为什么不会流出来？倒立吃饭，食物为什么不会流出来？Astronauts can eat in space, even when they’re upside down. You could also try this on Earth. Why doesn’t the food fall out when you do it?Astronauts can eat in space ……

Why can't you trust the law of gravity?Because it always lets you down!What do cows give after an earthquake?Milk shakes (奶昔).Where do cows go for entertainment?To the moo-vies (movies).Why do birds ……

travelling for pleasure, packing can be quite annoying. Well, the Lifepack Carry-on Closet designed... inside to keep clothes in good order. Its shelf system also has removable pockets. So when you get ……

you do this?Astronauts can eat in space, even when they’re upside down (倒立). You could also do....Astronauts can eat upside down in space.  VCG  The correct answer is C. Our body moves ……

touching the floor. As long as an object's centre of gravity is above this base of support, the object..., it automatically (自动地) controls its wheels under its centre of gravity. So a bicycle can balance if its wheels ……

through the air.Gravity 重力Gravity 重力Gravity 重力It pulls the plane down.It pulls the plane down.Drag 阻力Drag...飞行最远的纸飞机飞行最远的纸飞机  Fold a paper plane and throw it. How far can it fly? Three men from ……

immediately leap into space. 2. __________ The moon doesn’t have enough gravity to keep an atmosphere... gravity to keep an atmosphere around it, so it’s in a near vacuum (真空). Without an atmosphere, any ……

-like object flying across the sky. What do you think it could be? A plane? A meteor (流星)? These can... happens to the human body when people live in microgravity (微重力) for a long time. Although the ISS ……

信不信由你Astronauts can’t cry properly in space because there’s no gravity (重力) to make tears fall. ……