The microgravity of space can cause astronauts’ blood to run backwards.
In an emergency coconut water can be used as a blood plasma.
Due to their similar protein composition, blood can be used as an egg substitute in baking and making ice cream.
There’s a medical condition that causes its sufferers to sweat blood.
The water from a freshly opened coconut can be safely injected into human veins in place of sterilized water-for-injection.
The Red Cross sells the blood that people donate.
After needing 13 liters of blood for a surgery at the age of 13, a man named James Harrison pledged to donate blood once he turned 18. It was discovered that his blood contained a rare antigen which cured Rhesus disease. He has donated blood a record 1,000 times and saved 2,000,000 lives.
In 2007 a man bled green blood.
In the late 90s, Saddam Hussein commissioned a Quran to be written in his own blood. Now, Muslim leaders aren’t sure what to do with it–To write the Quran in blood was a sin, but to destroy it would also be a sin.