Animal world
The phenomenon of optical illusion appears in some animals
Most optical illusion phenomena tend to appear only in humans, unlike animals that only see real images from the outside world.
Frequency
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Articles about Frequency
298 published items.
Animal world
Discover the secret in the running of cheetahs
Scientists have discovered the secret of the fast-paced running of this leopard. The secret lies in that they can adjust the frequency of the speed-following step, simil…
Animal world
The primate 'talks' with ultrasound
AFP quoted a study by US and Philippine scientists published on February 8, saying that one of the world's smallest primates Tarsius syrichta communicates with each othe…
Animal world
Find out why the giant squid died after 11 years
When the corpses of giant squid were found in Spain more than a decade ago, scientists suspected that loud noises from boats damaged them. Now, it has been clarified.
Animal world
The rat called to attract mates is born by birth
Scientists found that mice like to sing naturally and do not like quietness.
Animal world
Elephants also have their own language as humans
American scientists believe they have successfully deciphered the roars of elephants that human ears cannot hear.
Animal world
Movement in dolphins also follows the brief rule of human language
The two researchers from the Polytechnic University of Catalonia (UPC) and the University of Aberdeen in the United Kingdom for the first time have demonstrated a brief…
Animal world
Squid can hear anything?
The sea is very loud. Although we don't hear much when we put our ears down on the water, with a dedicated device you can hear an audio choir. The noise is very diverse,…
Animal world
Concave ear frogs call their partners with ultrasound
Most female frogs do not call their partners, because they do not have vocal cords or their vocal cords. A female chooses a partner from a male choir and quietly gesture…
Scientific application
Why prohibit the use of electronic devices on airplanes?
In any country, when flying passengers are informed and banned from using any electronic products on the plane. Why must to do that? If while flying passengers use perso…
Environment
At the end of December, there will be the first cold, damaging cold spell
In the winter-spring season 2018-2019, the time of occurrence is very cold and harmful compared to the average of many years (AMY), ie in the second half of December 201…
Environment
Flash floods cause heavy damage but why can't early warning?
Flash floods are increasing both in frequency and intensity and destructive power in our country, not only in mountainous areas but also in coastal areas.
Environment
Production of insulating foam in China causes a frequency hole in Ozone
According to the Environmental Investigation Agency (EIA), ozone depleting chemicals turned out to be caused by Chinese manufacturers.
Environment
What creates the extraordinary power of the 2017 hurricane season?
After Harvey devastated Houston, Irma was lined up behind and quickly became the most powerful super typhoon in history on the Atlantic.
Environment
Why is the sky blue?
Each color corresponds to 1 wavelength, frequency and carries different energy. Purple light has the shortest wavelength in the visible spectrum.