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Did you know?
The average office desk has 400 times more bacteria on it than a toilet.
Did you know?
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.
Did you know?
HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.
Did you know?
Everyone has one nostril that is larger than the other.
Did you know?
Medication errors are three times higher among children and infants than with adults.