620 light-years away, astronomers have directly proved for the first time: the presence of iron in the atmosphere of an exoplanet Blog
The most tricky kind of meat in supermarkets, I don't recommend buying it, it's a waste of money Blog
Zhuhai Air Show's land equipment, the new VN-22 armored vehicle, can compete with the German "Boxer Dog" Blog
Why do rockets go in circles when launching satellites instead of going straight to the target? Is it because of insufficient thrust? Blog
Which is more nutritious, eating meat or drinking soup? I spent 7,000 yuan to finally figure it out. Blog
