(Encyclopedia) blood test, examination of blood routinely or as an aid in diagnosing a suspected disease. Tests may be performed on whole blood or on the plasma portion only. Blood typing identifies…
(Encyclopedia) EuripidesEuripidesy&oobreve;rĭpˈĭdēz [key], 480 or 485–406 b.c., Greek tragic dramatist, ranking with Aeschylus and Sophocles. Born in Attica, he lived in Athens most of his life,…
(Encyclopedia) blood, fluid pumped by the heart that circulates throughout the body via the arteries, veins, and capillaries (see circulatory system; heart). An adult male of average size normally…
(Encyclopedia) stem cells, unspecialized human or animal cells that can produce mature specialized body cells and at the same time replicate themselves. Embryonic stem cells are derived from a…
Source: The U.S. Food and Drug Administration (FDA)Why do we need vaccines? Vaccines protect us against deadly diseases like measles, mumps and whooping cough.How do vaccines work? When you…
Skin printFootprintsCoprolitesSome of the most interesting fossils contain nothing of the dinosaur itself. They are simply the marks the animal left behind as it walked along and take the form of…
OCEAN WAVESBIOGRAPHY: HEINRICH HERTZ German, 1857-1894ELECTROMAGNETIC SPECTRUMSEISMIC WAVESFIND OUT MOREMany different kinds of energy travel in waves. Sound waves carry noises through the air to…
WHAT MAKES HUMANS SPECIAL? WHY ARE WE ALL DIFFERENT? CELLSORGANSIMAGINGFIND OUT MOREA human body is made up of 100 trillion CELLS of different types. Similar cells are grouped to form tissue, and…
Being female has never been easy, especially when you consider the traps and tortures inflicted on girls and women for the sake of someone's idea of beauty. Here's a look at some of the life-…
