The quartz crystal in your wristwatch vibrates 32,768 times a second
What is ? |quartz crystal wristwatch|
More pictures |quartz crystal wristwatch|
tag: wristwatch, quartz, crystal
(Images from google images, click picture to original web)
Dating back to the 1600's, thermometers were filled with Brandy instead of mercury
What is ? |thermometer|
More pictures | thermometer|
tag: thermometer, brandy, mercury
(Images from google images, click picture to original web)
When you blush, the lining of your stomach also turns red
What is ? |Blushing|
More pictures | Blushing|
tag: blushing, stomach
(Images from google images, click picture to original web)
Tomato Ketchup was once used as medicine in the United States. Was sold as "Dr.Miles Compound Extract of Tomato"
What is ? | Tomato Ketchup|
More pictures | Tomato Ketchup|
tag: tomato, ketchup, medicine, United States
