HEARING ABILITYDOPPLER EFFECTULTRASOUNDFIND OUT MORESound can be low-pitched, like the rumble of a large truck, or high-pitched, like a whistle. The pitch of a sound depends on the frequency of…
Riddles What kind of bow can't you tie? What do you call a tropical bird in Alaska? Lost! How does an ocean say hello? It waves! What says abcdefghijklmnopqrstuvwxyz, gulp? You,…
IntroductionSexually Transmitted DiseasesIntroductionChlamydia: The Most Common STDGenital HerpesGenital Warts and HPVSyphilis: A Sexual Scourge with a Long HistoryGonorrhea In This Section The…
On the Issues How Gore and Bush stack up on education, foreign policy, health care, taxes, and social security by Beth Rowen This article was posted in September 2002.WITH…
(Encyclopedia) amniocentesisamniocentesisămˌnēōˌsĕntēˈsĭs [key], diagnostic procedure in which a sample of the amniotic fluid surrounding a fetus is removed from the uterus by means of a fine needle…
You never know when disaster will strike. If it does, it’s important to be prepared. Your life—or the lives of others—may depend on knowing how get out of a…
Vojislav Kostunica Yugoslavia's new president is both a Western liberal and Serb nationalist by David Johnson President Vojislav Kostunica addresses the federal parliament on Oct. 7…
