At the beginning of 2020, a new type of coronavirus appeared. It spread rapidly in human society and broke the normal rhythm of society. Within…

　　Not all viruses are as bad as you think, they also have a friendly side to people-of course, the premise is that we must be…

　　Why do people sleep? There has long been a speculation that sleep can help people consolidate memories. Now, we finally observe for the first time…

　　We know that bats use echoes to determine the orientation of objects, which is called echolocation. Humans borrowed this ability from bats and invented radar.…

　　In the waters near Laguna, Brazil, local fishermen often stand in waist-deep water in a line or wait in a canoe, while bottlenose dolphins chase…

Conscientious as she was, she would not be turned away and tried to pull the dress off the sick woman’s shoulders. Then the desperate woman…

Shivering, she got up and followed him. She reached into the window curtains with both hands to hold herself. The sun was shining on her…