(Mary Elizabeth Spacek)actressBorn: 12/25/1949Birthplace: Quitman, Texas Spacek was a major star of the 1980s. Though her freckled face and Texas accent are atypical of most Hollywood divas, sheer…
People and animals have worked together for thousands of years. Some dogs guard against enemies, while others herd cattle. Cats hunt mice and other rodents, preventing them from stealing food and…
For thousands of years, farmers have improved their crops by crossbreeding plants that have good traits. They take pollen from one plant and add it to the flowers of another plant to produce a…
Ligers—the result of crossbreeding lions and tigers—have roamed animal preserves and sanctuaries for years. It wasn’t until recently, however, that these intriguing animals gained wide fame—…
Post-Mendelian Inheritance FactorsGenetic Variation and Natural SelectionIntroductionNatural SelectionPost-Mendelian Inheritance Factors Recall from Inheritance that most animals, including you,…
Due to standard Navy procedure, we will probably never know the names of the men who brought down Osama bin Laden US Navy SEALs insigniaRelated Links Osama bin Laden…
Notable events in pirate history, from 700 B.C. to the present by Mark Hughes c. 700 – 67 B.C. • 700–1820 • 1991–2007 • April 2008–present c. 700 B.C. The…
LOCATION OF CHROMOSOMES CHROMOSOME STRUCTURE DNA DOUBLE HELIX CHROMOSOME SET GENES INHERITANCE FIND OUT MORE
Genetics is the study of the instructions, contained in cells, for how our…
WAVES AND PARTICLESLIGHTHOUSETRANSMISSION OF LIGHTLIGHT SOURCESSHADOWSFIND OUT MORELight makes the world seem bright and colourful to our eyes. Light is a type of electromagnetic radiation that…
PARTS OF THE SYSTEM NEURONS PARTS OF THE BRAIN NERVES CENTRAL NERVOUS SYSTEM REFLEXES FIND OUT MORE
The nervous system is the body’s main control system. It is made up of the CENTRAL…
