Interestingly, there is a theory that contagious yawning can be used to measure someone’s ability to appreciate other people’s mental states (empathy). So autistic people do not yawn in response to videos of people yawning
Yawning is also thought to be a mechanism to wake the brain up when it requires it. Read the facts here
For most people, their visual short term memory holds a total of 4 images
The sense of smell is most linked to memory
A report in the Jan 2007 issue of Cognition reported that you are more likely to remember events when assuming a body position similar to that struck during the event
Laid end-to-end, the arteries, capillaries and veins would stretch for about 60,000 miles in the average child and would be about 100,000 miles in an adult – enough to wrap around the world nearly four times.
The average person swallows one liter of snot every day. This is from the MN Science Museum. (and i bet you downed a few reading all this. hahaha) Thanx a girl named Ryan
Skin is thickest, 1/5 inch, on the upper back. It is thinnest on the eyelids, which is only 1/50th inch thick
Your skin weighs about 3.2kg (of course some weigh more)
Your skin sheds 50,000 cells every minute. [Discover mag 2/07]
Skin tone is made up of only 4 hues: All skin start off white. Blood vessels add a blush of red. A yellow pigment also tints the canvas. Lastly, sepia-toned melanin appears black in large amounts. The mix of these 4 hues create all skin colours
Your nose smells best when you are about 10 years old
Your nostrils take turns inhaling. You breathe through one for about 3-4 hours then switch to the other one. THIS IS TAKEN FROM THE GROSSOLOGY EXHIBITION: THE SCIENCE OF THE HUMAN BODY
