In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
There are more bacteria in your mouth than there are people in the world.
Did you know?
Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.
Did you know?
Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.
Did you know?
On average, the stomach produces 2 L of hydrochloric acid per day.
American feral farm cat
The major language areas of the left hemisphere of the brain.
The Black Death spread over much of Europe in a three-year period in the middle of the fourteenth ce