It's impossible to kill yourself by holding your breath.
703
The odds of being killed by falling out of bed are one in two million.
136
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
19
In many countries, urine was used as a detergent for washing.
17
Sunflowers can be used to clean up radioactive waste.
17
Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
29
It's impossible to kill yourself by holding your breath.
22
You can immediately cool down a car that has been sitting under the sun by rolling down the window on one side and opening-closing the door on the other side 5-6 times.
23