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Author Question: Conor's only friends at school are the other students who are overweight or obese. His parents worry ... (Read 52 times) |
Your heart beats over 36 million times a year.
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.
Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.
Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.