How dinosaurs went extinct is still an unsolved mystery, and scientists have put forward many conjectures, including one that the culprit of dinosaur extinction is their fart...
In 1978, 10 months after the smallpox virus in nature was declared eradicated, British doctor Janet Bergeron was killed. Parker died of smallpox. A colleague accidentally leaked some virus in the research room, causing Parker to become infected. She is believed to be the last smallpox victim in history.
Only one team was eliminated from the World Cup without losing a single goal, and it was Switzerland in 2006. It was defeated by Ukraine on penalties in the second stage.
Cats can make 100 different calls, while dogs can only make 10.
Starfish can turn the entire stomach out of the body.
On average, a person blinks 15 to 15 times a minute, and the blinking time is about 0.1 to 0.15 seconds. However, there are also some people who are more powerful, and the blinking time of the 24 hours a day adds up to 25 minutes.
Squirrels don't burp.
When the wound bleeds too much, the surgeon wraps the wound with something made of seaweed. Seaweed is a very strange but very effective hemostasis tool.
Napkins when eating Western food originated from towels, and in a long time ago, people still ate with their hands, and this hand towel is convenient for wiping their hands.
Why is the ring finger called an ring finger? According to the understanding of the ancients, because it is useless, it is nameless. So pitiful, because it is useless, not even a name...