Why is there an atomic submarine without an atomic plane?

The US Navy recently submitted a plan to ask the US Congress for $ 139 billion to upgrade their nuclear submarine fleet. Unlike submarines that run conventional fuels, have to float to the surface frequently to refuel, nuclear submarines can operate for several consecutive decades at high speeds under the sea. According to design drawings […]

How was the first empire in human history collapsed because of climate change?

Now if you type the phrase “first empire in history” into Google, it will show you the answer is the Akkadian Empire. The Akkad Empire is located in the ancient Mesopotamia region, now the Near East. It existed more than 4,000 years ago, uniting independent, unified cities of both Akkadian and Sumerian people under King […]

[Research] When you’re sad, your immune system may have a problem

According to a new study conducted by scientists at the University of Pennsylvania, USA, the fact that people experience negative emotions with high frequency, such as sadness, anxiety or anger can be a sign for Seeing that the human immune system is running at full capacity, and health is showing signs of badness. Scientists have […]

Science explains human “cute faint” behavior

If you see cats, puppies or cute little boys and girls who want to pinch or want to bite, it is purely a normal reflex of the brain, and science has also proved the reason come to think like this. According to psychologist Katherine Stavropoulos of the University of California, about half of all adults […]

Biometric technology scans the blood vessels that pass through the face with a waxed hand

Modern biometric security technology is now more than just unlocking your phone or tablet with technologies like Face ID or Touch ID, but security vendors have turned to vascular scanning technology. Under fingers rely on infrared LED and image sensor instead of fingerprint reader as before.      The idea of ​​this technology will be completely […]

Research proves that children “end up believing” at Santa when he was 5 years old

A large, world-wide study of the University of Exeter has been trying to find the answer to the question, “When does a child run out of faith in Santa?” Also want to determine how the trust of children in adults will change when discovering the gift of “Santa” is actually bought and packaged by relatives […]