|
|
The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.
As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.
Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.