Biology

Humans And Birds Both Stand On Two Feet, So Why Can Birds Sleep Standing Up But Not Humans?
When we humans feel very tired, we often say that we can fall asleep standing up, but this is just a description. In reality, it is impossible for humans to sleep standing up, but there are many animals in nature that have this such a skill that humans do not have, for example, horses can sleep standing up effortlessly.

On The Road To Evolution, The Acacia Tree And The Giraffe Have Been Fighting Each Other For Millions Of Years
The length of the giraffe's tongue can reach more than 40 cm, usually, they only need to use their flexible tongue to avoid the hard thorns of the acacia tree, and then gently roll, you can eat the leaves

The First Person To Freeze: The Rich Bedford, Was Supposed To Wake Up 5 Years Ago, How Is It Now?
Although scientists did find that people still have consciousness at the time of death, but the consciousness does not stay for a long time, may not have time to react, the consciousness disappeared

Where Do All The Mosquitoes And Flies Go In Winter? How Do They Spend Their Winters?
It happens to be the season when mosquitoes and flies go wild, but it is true that there are not as many flies as there are mosquitoes today. This has a lot to do with our improved sanitation today, after all, flies need to lay their eggs on manure pits and rotting food, while many rural toilets have now been converted to squatting, and the shorter disposal cycle for waste has greatly reduced their hatching.

If An Owner Dies In His Home, Will The Dog Eat The Owner's Body? Why?
Under human domestication, people are more like the head wolf of the pack in the eyes of dogs, and when people are alive, they are absolutely loyal. However, when the "head wolf" dies, this obedience disappears, so there is no difference between the human corpse and the meat of animals in nature in front of the dogs

Drilling 480 metres beneath antarctic ice, the discovery of swarms of marine life changes the perception of life
Titan, a moon of Saturn, although it does not have a huge subglacial liquid water ocean like Europa, but this one planet also has a large number of lakes and oceans on its surface, which are not liquid water but liquid methane. Its atmosphere is also filled with gases like nitrogen and methane

Summer Insects Speak Ice - Why Insects Do Not Freeze Into Popsicle Sticks In -50°c In The North And South Poles?
In the world of insects, a variety of successful strategies have been developed to avoid dying from the cold

From 24 To 10 Billion! The "Battle Of The Rabbits" Lasted For More Than 100 Years, But Australia Was Defeated!
These rabbits have caused an imbalance in the local ecosystem and brought a lot of trouble to the local people's lives. Or catch them and export them to foreign countries?

Is It True That a Lion's Belly Is Very Tight While a Tiger's Is Flabby? Why?
Tigers usually rest on the ground. As tigers living in temperate zones, the ability to keep their abdomen warm in winter is a critical factor, so the Northeast tiger has the longest abdominal hair among all tiger subspecies.

The Night Snake, The World's Geekiest Snake, Has a Hunting Success Rate Of Less Than 1% And Only Succeeds Once In 200 Strikes
The cave is so dark that these nocturnal snakes that live in bat caves are essentially completely blind and deaf