People who give blood generally do so out of a desire to help their fellow human beings. However, could donating blood provide any health benefits to the donor? This Science Update examines whether or not donating blood lowers your cholesterol.
Researcher look at how spiders have established a complex social structure.
This Science Update focuses on the cat's meow and how it is used to communicate its needs and wants.
Most people don't think of cavemen as being very sophisticated, but the discovery of prehistoric musical instruments might change that opinion.
In this Science Update, learn why fish don't get electrocuted when lightning strikes the water.
In this Science Update, find out why the need for reading glasses seems to be an inevitable part of growing older.