Good psychological quality is beneficial to enhance physical fitness and improve resistance to disease
Scary parasites in nature
The actual iron nematode, although less than a millimeter in diameter, but the length can reach 40 to 50 centimeters. Unlike the vestigial sense of the iron nematode's soft body, its surface is wrapped with a hard cuticle, even if the host is crushed to death, the iron nematode can remain unharmed.
San Feng Department Store Accident in Korea
In just 20 seconds, the five-story mall building collapsed, crushing 1,500 people under 42,000 tons of rubble, killing 502 people and injuring 937. What happened behind the scenes of the San Feng Mall tragedy in South Korea, which has sounded the alarm for building safety ever since? We'll start right away.
The unsolved mystery of the Russian nuclear submarine explosion in 2000
In the summer of 2000, in the deep waters of the Arctic Ocean, a nuclear submarine known as the "aircraft carrier's nemesis" exploded twice in 135 seconds, killing 118 submarine personnel. The tragedy of the Kurtis became a microcosm of the general situation of the military at that time, ten years after the great changes in the Soviet Union. Not only did Russia refuse a multi-national rescue during the golden hour, but no official report has been made, so we can only make reasonable guesses about the causes and consequences.