|
|
Did you know?
The average adult has about 21 square feet of skin.
Did you know?
The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.
Did you know?
The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.
Did you know?
There are more sensory neurons in the tongue than in any other part of the body.
Did you know?
The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.
![Over nearly 30 years, humans removed many polar bears for a variety of reasons, from a population in](https://biology-forums.com/gallery/47/medium_33_22_09_11_9_39_28_18111448.jpeg)
![A biological profile from the bony remains of an individual may be preferable to a DNA profile for a](https://biology-forums.com/gallery/47/medium_273688_23_02_15_8_21_33_20905839.jpeg)