Is there any sound more annoying than the whine of a mosquito?
Inbreeding is the term used when animals mate with their relatives. Learn more on this Moment of Science.
Is there really a link between autism and vaccines? Find the truth, on this Moment of Science.
Can bacteria get sick? Find out on this Moment of Science.
Learn about how chemotherapy drugs work to fight cancer.
Chronic depression involves brain chemistry. Neurons in the brain communicate with each other via neurotransmitters, chemical messengers sent from one nerve cell to another. To move between cells a neurotransmitter must cross the synapse–the junction between neurons.
More importantly, rats and humans often suffer from the same diseases. That’s because humans and rats have the same basic physiology, similar organs, and similar body plans.
After digestion, glucose travels throughout the body in the blood stream. It enters all of our cells with the help of a hormone called insulin: insulin picks up the glucose and carries it into each cell, like a groom carrying a bride over the threshold.
This means that instead of staying in one place, the cancer cells migrate from their original site to other parts of the body.
The prefrontal cortex is the region of the brain located just behind the forehead. This is where higher-level cognition occurs, such as recalling whether a word was heard aloud or read. Most people show evidence of more processing on the right side of the cortex. However, research has shown that many elderly people use both [...]