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Rh factor

(Encyclopedia) Rh factor, protein substance present in the red blood cells of most people, capable of inducing intense antigenic reactions. The Rh, or rhesus, factor was discovered in 1940 by K.…

Cloning Milestones

Scientists hope that the advances in the cloning process can bring back animals that are nearly extinct Cloned bull named Got AP Photo/I.Lopez 1938 Cloning envisioned. Dr. Hans Spemann (…

Indira Gandhi

(Indira Priyadarshini Gandhi)politicianBorn: 11/19/1917Birthplace: Allahabad, India Following her parents' example — they had joined the Indian independence movement after a visit from Mohandas…

baobab

(Encyclopedia) baobabbaobabbäˈōbăbˌ, bāˈō– [key], gigantic tree, Adansonia digitata, of India and Africa, exceeded in trunk diameter only by the sequoia. The hollow trunks of living baobabs have been…

What Do You Call Them?

Although these words sound scientific, they are commonly used to describe animal families or behavior.Herbivores are animals, such as deer, who eat plants.Carnivores are flesh-eating animals, like…

Psychologist

What is this job like? Psychologists study the human mind. They also try to explain why people act as they do. They do research to test their ideas about people's actions. Research methods vary.…