While Billie Holiday did not invent the music called "the blues", she most assuredly helped popularize it.

Insect pests are among the leading causes of crop failure.

The Native American interpreter Sacajawea was a valuable member of the Lewis and dark expedition in 1805.

Some animals pant and sweat to speed evaporation of body moisture and thus cool themselves.

Incalculatingthedailycalorierequirementsforanindividual,variationsinbodysize,physicalactivity,andageshouldbetakenintoaccount.