There are more nerve cells in one human brain than there are stars in the Milky Way.
Did you know?
During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).
Did you know?
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
Did you know?
No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.
Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
(A) Each bronchiole terminates in an alveolar sac, a group of alveoli; (B) alveoli encased by networ
Elements
Historian James Merrell notes several errors in Benjamin West’s famous 1771 painting, William Penn’s