Our understanding of the surrounding world is really still too humble, even with just the closest things.
Astronauts will use a silk shotgun inspired by spiders to pull the body from one point to another
Most metals crystallize and their properties depend on micro structures. This structure will expand when cooled.
First of all, participants operate normally for 2 weeks so that scientists check their health under normal conditions.
Essex University in England is discussing exploration plans to build the world's deepest pool, serving the study of endurance of human bodies and flights into space.
For the first time, long-term exposure under the influence of micro-gravity on Earth's orbit is proven to make astronauts more likely to have a heart attack.