Biology

In fact, the earth's crust itself is a natural source of minerals, many soil and rocks contain a certain amount of salt, careful observation of cattle and sheep should know, cattle and sheep in the grass, but also often "eat soil" or lick the stone, they do so, in fact, the purpose is to obtain the salt

In addition to being the most extensive river in the world, the Amazon is also the largest river in the world in terms of river volume

The sea otter is a very cute looking animal that is known to be a professional in being cute, and there are various expressions of it circulating on the internet for internet users to love. Sea otters are not only cute in appearance, but also in their activities such as eating, swimming and sleeping, which all reflect their cute side. In 2013, it was ranked fifth on the list of the world's cutest species.

It is proposed that birds originated from dinosaurs, and that "ancestor birds" are a transitional species between birds and dinosaurs.

Since the discovery of the first exoplanet in the 1990s, scientists have found more than 4,000 exoplanets, some like the giant gas planets of our solar system, and others like earth-like planets. Some exoplanets may have very harsh environments, perhaps as hot as venus or mercury, or as extremely cold as other planets. Of course there are also exoplanets that may have relatively suitable temperatures, may be located in the habitable zone of a star system, are a potentially habitable planet, and may even be a living planet.

Water bears are the common name for retarded animals, and these creatures are so small that their body length is usually no more than 1 mm, so we usually do not notice their presence.

Since humans and chimpanzees are reproductively isolated from each other and cannot bond, can we transfuse chimpanzee blood to us humans?

When you think of owls, you might think of harry potter's snowy white pet messenger hedwig, or any number of comical emojis. The owls are the funniest and most adorable of all birds, with their round eyes and occasional "Head tilts" That make them so cute.

The cave is so dark that these nocturnal snakes that live in bat caves are essentially completely blind and deaf

Researchers believe that the longer a female fly killed by a fungal infection dies, the greater the spread of these fungi, releasing more chemical signals