|
|
Did you know?
Thyroid conditions may make getting pregnant impossible.
Did you know?
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.
Did you know?
Cyanide works by making the human body unable to use oxygen.
Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.