The average person has about 5 liters of blood, and the average heart pumps about 70 ml of blood with each beat. If your heart rate is 70 beats per minute, you will pump about 4.9 liters of blood (70 beats X 70 ml) in one minute, which is roughly your entire blood supply. So an individual blood cell should make a complete circuit of the body at least once every 60 seconds.
The taste buds themselves are a collection of cells on the surface of the tongue, each housing about 50 taste cells. The buds renew themselves every ten days to two weeks. However, anything that causes inflammation, such as infections or smoking, can damage the taste buds and affect their renewal.
Alfred Nobel, a Swedish chemist, invented dynamite in 1867. Nobel held 355 different patents, dynamite being the most famous. After reading a premature obituary which condemned him for profiting from the sales of arms, he bequeathed his fortune to institute the Nobel Prizes.
Mycology is the branch of biology concerned with the study of fungi, including their genetic and biochemical properties, their taxonomy and their use to humans as a source for tinder, medicine, food, and entheogens, as well as their dangers, such as poisoning or infection.