Nature
In the past, people could not get enough to eat, and there were rats everywhere to steal food. Now that there is more food, why are there fewer rats?
In the past, productivity was low, and people often ran out of food, but at that time, every household in rural areas "raised" a few big mice. These mice jumped up and down in the house, disappeared, and ate food as if it were their own home. .
By tannie rusty3 years ago in Earth
Swallows fly to the south for winter every year, so where is the south? It's just that we're small.
The weather is getting cooler, and many birds have already flown south to prepare for winter. Most people know that some birds fly to the warmer South in winter, but few people know where and how far this South is.
By crudden elle3 years ago in Earth
What is under the quicksand, why does it sink when people step on it? Pull-down force of 100,000 Newtons
Everyone should have heard or seen stories about quicksand, because quicksand is very popular in traditional cultures all over the world, and it is believed that in the 1960s, one in every 35 movies was about quicksand.
By crudden elle3 years ago in Earth
Are sharks really afraid of dolphins? Shark: Don't be afraid, you will be "sucked out of your liver" if you are not careful
Sharks are afraid of dolphins? Then see who is more scary! You can often see movies about sharks. The sharks in the movies have big bloody mouths, bloodthirsty and cruel, and one bite is not an exaggeration; and dolphins are more reminiscent of the cute performers in the zoo. It will interact with you, it will play with you, not to mention how cute!
By crudden elle3 years ago in Earth








