2:59:40
Recommended
Millions of years ago, a group of apes gathered together on the African continent. They were no longer frequent visitors in the trees, but instead galloped on the grasslands. Like most predators, they began to pursue prey. Of course, human civilization at that time It has not yet
Russian fishermen accidentally salvaged a "chip" from 250 million years ago. Is the earth's civilization recycling?
05/15
1400
First, let’s take a bird’s eye view of the planet below our feet. Next, if you look carefully at the pictures and text below, you will be very shocked... ▼Every day, there are so many people flying around on the earth, just like in the picture below. ▼The population in the circle
Very interesting map
05/16
1821
The earth's temperature is rising, extreme weather conditions are increasing, green vegetation is decreasing, the ecology has been damaged, and wild animals are facing the risk of extinction.
We are familiar with “environmental protection”, but what is its specific connotation? What should we do about it?
05/16
1713
1. Morphological characteristics: The body wings of Star Beetle are black, with multiple white spots on each elytra. Its body length is 50mm and its head width is 20mm. The body color is bright black; there is a white spot on the left and right sides of the front and back of the
Feiben Classroom - Star Beetle
05/16
1952
By examining the gel, which is formed from an exfoliating solution with added silica nanoparticles and solidifies as the temperature increases, the scientists discovered an unusual and previously unknown optical phenomenon. At 29 degrees, the gel transmits only red light, and at
Scientists create simple filter material with tunable wavelength transmission
05/15
1118
Have you noticed such a pattern? When you sleep alone, you don’t sleep very well. You often wake up immediately due to some movement, or you dream all night. When you wake up the next day, you don’t have any energy. You always feel that Not getting enough sleep. If you sleep in t
Does sleeping with a partner make you sleep worse or better? Study: Sleeping with two is better
05/16
1648
Plants are grown in complete darkness in an acetate medium that replaces biophotosynthesis. Researchers are developing artificial photosynthesis to help make food production more energy efficient on Earth and perhaps one day on Mars. Photosynthesis has evolved in plants over mill
Artificial photosynthesis could produce food in complete darkness
05/16
1335
Introduction: A short, stemless plant in the mountains has a strange name and is known as "Duyiwei". Its functions are comparable to "Jinchuang Medicine". Our country has a vast territory, rich wild resources, and wide distribution. Whether in meadows, fields, or even mountains,
A short, stemless plant in the mountains, known as "Unique", its functions are comparable to "Golden Medicine"
05/16
1874
Since ancient times, people have been pursuing the secret recipe for longevity and eternal youth. It is said that only the characters in TV series and film and television dramas can portray it. It does not exist in reality. However, with the unremitting efforts of scientists, it
Scientists have discovered that human cells can make human cells 30 years younger. Can people really rejuvenate themselves? How to do
05/16
1288
It is estimated that many people have seen the scene of "dragon sucking water" on the Internet. In the sky covered with dark clouds, a thick water column rises from the water surface and goes straight to the dark clouds in the sky. It seems that some kind of material and substanc
The rare spectacle of dragons sucking water has been frequently performed in my country recently! What draws water up to the sky?
05/16
1612
Relation Video
science Relation Video
Site video recommendation
science Latest News
Atoms were once considered to be the basic particles of everything in the world, but later people discovered that atoms are composed of nuclei and electrons, and there is a vast space between the nuclei and electrons. How vast is it specifically? Let us take the simplest atom in
What exists in the vast space between the nucleus and the electrons? Is it an absolute vacuum?
05/18
1428
I once read "Insects" when I was young, and I was full of yearning for the insect world described by Fabre. I often turned over stones or inspected leaves to look for the small insects hiding in the depths. As I get older, I gradually develop an inexplicable fear of insects in na
An insect pocket book that brings you closer to nature
05/18
1720
We often say that China has five thousand years, which naturally adds up to ten thousand years. Ten thousand years ago is a very interesting node, because it is the time period when humans turned from hunting life to farming. Farming represents villages, and the combination of vi
Could it be said that humans more than 12,000 years ago really existed?
05/18
1065
@真知新ordinate Popular science and cold knowledge 1. Lamprey Lamprey has lived on the earth for hundreds of millions of years, and it has always maintained its appearance in ancient times, so it is also called a "living fossil." Later this creature was assigned to the superclass Ag
Seven exotic species, one relies on breeding and one is prohibitive
05/18
1704
When you see a cockroach, do you still kick it and send it to its death? As everyone knows, if you do this, not only will the number of cockroaches in your home not decrease, but they will increase in number. So, why does this happen? The more cockroaches you fight, the more cock
Don’t step on cockroaches in your home! How to control cockroaches that are still alive even though their heads are severed?
05/18
1074
The editor has recently become obsessed with ferns. Their leaves generally have a mathematical beauty like the golden ratio. There are many types, and most of them are beautiful. They can be seen in forests, riversides, and in the courtyards of ancient houses. Fern and nautilus a
Fragrant garden | "Pteridophylla fern", the "living fossil" of the plant world
05/18
1059
Site Latest News
There are many popular cat food brands on the market. Today we have summarized 6 popular cat foods for you pet owners. See if you have your favorite cat food. Pet owners can also choose the food that is most suitable for their cat owners according to their own situation.
Summary of 6 popular cat foods! Cat food review
05/18
1792
Xiaoba has received a lot of weird questions during this period, but most players' private messages are relatively normal. For example, when will WLK Classic Server be opened?
World of Warcraft: Is the group presence low? Teach you a trick to easily anger the leader
05/18
1937
Tiantian RPG talks about the diversity of gameplay. Among the several game modes under our existing RPG battle platform, which type of map do you think is the champion in this regard? Xiaoji believes that tower defense maps should be the undisputed champion in this regard. The au
Whoever is not impressed by the completely independent lineup can save the government lineup and fight again in the future.
05/18
1797
Mo Chou knows no one in the kitchen, and no one knows Auntie Xiaomian. Hello everyone, I am Aunt Xiaomian. Today, Auntie Xiaomian will share with you a delicious recipe of "vegetable buns". In the Guanzhong area of Shaanxi Province, pasta is the most important staple food in th
It’s the best breakfast in summer. It’s ready in 5 minutes. It’s nutritious, fragrant and appetizing. It’s low-fat and healthy.
05/18
1672
Prenatal depression and postpartum depression have similar symptoms, such as frequent crying and frequent tantrums. It’s just that patients with prenatal depression are more prone to anxiety. For example, they worry that the birth process will be painful, they will worry about gi
Starting from this month of pregnancy, prenatal depression is prone to occur, which can seriously affect pregnant women and fetuses.
05/18
1118
"Daughter-in-law, your nephew goes to school near your home. Come and pick him up." Daughter-in-law: He is your son's nephew. Children's education has always been the most concerned issue for parents. A good education can benefit the children for a lifetime, and the opposite is n
"Daughter-in-law, your nephew goes to school near you, you come to pick him up." Daughter-in-law: He is your son's nephew.
05/18
1226