Sleeping trivia:How do astronauts sleep in space?

Sleeping trivia:How do astronauts sleep in space?

About one-third of a person’s life is spent in sleep, and sleep is vital to humans. For astronauts,…
Gene Trivia:Astronauts have genetic mutations in space?

Gene Trivia:Astronauts have genetic mutations in space?

【rumor】 According to media reports, NASA astronaut, one of the twins, returned to Earth three years later, and…