sondra mallen
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Share a little bit of science every day
Stories (65/0)
Which animals have gone the wrong way in evolution? Also evolution, why are these animals so strange?
If the time scale is extended, it is very difficult for organisms not to deviate on the path of evolution, because there are too many forces guiding organisms to deviate.
By sondra mallen2 years ago in Earth
Did aliens visit Earth in ancient times? A 10,000-year-old rock painting may reveal the answer
Imagine if you are a naughty and naughty child, in order to participate in a party with many friends, you racked your brains to escape from the room locked by your parents, but when you arrived at the scene, you found that the originally lively party venue was empty. How do you feel now without anyone? Confuse? confused? Still afraid?
By sondra mallen2 years ago in Earth
Scientists have discovered a special "mutated gene" in the human brain, which may be the key to human intelligence
According to Darwin's theory of evolution, humans evolved from forest apes, and it is well known that 65 million years ago, an asteroid impact caused the extinction of the dinosaurs. Before the rise of mammals, dinosaurs went extinct, and after tens of millions of years of evolution, forest apes emerged.
By sondra mallen2 years ago in Earth
Come Hear the Weird Interstellar Space Sounds Captured by NASA's Voyager
According tomedia reports, until recently, every spacecraft in history took measurements inside our heliosphere, the magnetic bubble inflated by the sun. But on August 25, 2012, NASA's Voyager 1 changed that. When it crossed the boundary of the heliosphere, it became the first man-made object to enter and measure interstellar space.
By sondra mallen2 years ago in Earth
Human drone makes its first flight to Mars! What core technologies did you use to hover at a height of 3 meters for 30 seconds?
A piece of good news came from the Jet Propulsion Laboratory, a subsidiary of NASA in the United States, that the Witness drone carried by the Perseverance rover made its maiden flight.
By sondra mallen2 years ago in Earth
In 1952, what was the Toledo incident in Japan, and did parallel universes really exist?
With the continuous development trend of scientific research and the in-depth analysis of true knowledge, the mysterious universe confirmed by physics has attracted more and more attention from everyone. Experts have found that scientific research must observe the essence, and the external economic quantum world is the The essence is important, and it is also a difficult part to overcome. It is also related to many well-known basic theories of cosmic space, such as mysterious parallel universes.
By sondra mallen2 years ago in Earth
What is a monster ghost? Why is it still confusing the scientific community 200 years later? scientists explain
On August 1, 1790, a mature student named Victor Frankenstein presented a radical proposal to the ethics committee of the Ingolstadt University in Bavaria. Under the title of "The Photocatalytic Mechanism of Life," Frankenstein described how he "reversed the whole process of death" by collecting "many human anatomical specimen collections" and put the anatomical specimen collection into Together, try to "revive long-lost lives".
By sondra mallen2 years ago in Earth
You can finally see a cosmic supernova explode with your own eyes
A ghostly 'hand' moving across the universe has just shed new light on the death of massive stars. The spectacular structure is the ejecta of a core-collapse supernova, and by taking images of it over more than 14 years, astronomers have been able to watch it blast into space at 4,000 kilometers (2,485 miles) per second.
By sondra mallen2 years ago in Earth
Those underground 'lakes' on Mars are getting more and more mysterious, study shows
In 2018, scientists made a discovery that could change our understanding of Mars, the dusty, dry red ball. Radar signals reflected from just below the planet's surface showed a shiny patch, exactly the same as a subsurface pool of liquid water. Subsequent searches uncovered more shiny patches, indicative of an entire network of subterranean lakes.
By sondra mallen2 years ago in Earth
The "special planet" in the solar system, the sun emerges from the west, and the second sunrise after 243 days
Among the planets in the solar system, regardless of the climatic and environmental factors, a star that is closer to the earth is the large planet that is closer to everyone - Venus. Today's scientific research has found that the composition of Venus is mostly the same as that of the earth, even not long ago. , According to calculations, experts found that even the key diameter specifications, Venus is the same as the Earth.
By sondra mallen2 years ago in Earth
Scientists: Looking for energy from the macroscopic dark matter of "straight" lightning
Because the energy in the universe is far beyond human cognition, the energy of matter we already know is lower than the actual energy in the universe, so scientists all over the world classify it as dark matter and dark energy.
By sondra mallen2 years ago in Earth
Why is the earth able to spin forever? Where does its energy come from?
Every day, the earth rotates once, and due to the rotation of the earth, we can see the sunrise and sunset every day. Since the birth of the earth 4.6 billion years ago, the earth has never stopped rotating, and the earth will continue to rotate in the future until the day when the earth is destroyed. But why does the earth rotate? Where does the power of the Earth's rotation come from?
By sondra mallen2 years ago in Earth