Is obesity contagious?
Because many people are eating high-calorie foods while getting rid of heavy physical labor, become more resident or like to watch TV on the sofa …
Category: Knowledge
Can gray hair happen overnight?
Do people really gray hair overnight? The most famous representative in the record of overnight gray hair is Marie Antoinette, Queen of France. Because of …
Yawning is also contagious, do you believe it?
Many people have this experience: As long as one person yawns in the house, it will cause a yawning sound. But yawning is not like …
How high can a flea jump?
Fleas can jump up to 35 cm. Fleas are only 0.5 to 3 mm long and weigh only about 200 mg, but they can jump …
Where does the salt in the sea come from
The average concentration of salt in the ocean is around 35‰. If you extract all the salt in the ocean and spread it on the …
The past and present of the flight suit
The flight suit is the exclusive equipment of Air Force pilots. When a pilot flies in the sky, the flight suit can effectively protect the …
Ant “Feast” in the Amazon Rainforest
When traveling in the Amazon rainforest, if there is one thing that can bring me closer to the center of rainforest life step by step, …
Half of our cells are not human
When a whale dies and its body sinks into the deep sea, this does not mean the end of life. On the contrary, the giant …
Who is manipulating the growth direction of plants?
The most wonderful thing about a plant’s response to its surrounding environment is its growth direction. For example, the flower of a sunflower always turns …
Fish that can’t hibernate, where are the cold days
Winter is approaching, migratory birds flew to the warm south for the winter, hedgehogs burrowed into warm caves, and humans put on thick winter clothes …
Animals also have interesting souls
Hare who “will love to die” It can be said that the hare is the most gentle animal in the animal kingdom. All animals want …
If the glacier melts, what kind of animal will the polar bear evolve into?
If the Arctic is no longer cold in the future, will polar bears become brown bears? If not, what animal can a polar bear evolve …