In ancient times when technology was not well developed, how did silver bills prevent counterfeiting? Blog
Spreading faster! Beware of the "second-generation variant" of Omicron, cases have appeared in many countries Blog
It's not easy to be an astronaut! The latest study confirms that space flight may cause permanent bone loss in 20 years Blog
ALS is an incurable disease. How could Hawking live for more than 50 years despite suffering from this disease? Blog
Because of its delicate nature and "seeking death", it has turned itself into the "giant panda of the plant world" Blog
Toothpaste can "promote tooth growth" and "fill tooth cavities"? National Medical Products Administration: Don't believe it! Blog
