Word: expressiones
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He has brought this philosophy to bear on his extracurriculars. He’s spent countless hours teaching public school children to dance as the executive producer and director of City Step, which says giving students the means of self-expression helps improve their self-confidence.
To be sure, earlier scientific discoveries had hinted at the importance of this kind of interplay between heredity and environment. The most striking example is Pavlovian conditioning. When Pavlov announced his famous experiment a century ago this year, he had apparently discovered how the brain could be changed to acquire...
Small changes in the promoter can have profound effects on the expression of a hox gene. For example, mice have short necks and long bodies; chickens have long necks and short bodies. If you count the vertebrae in the necks and thoraxes of mice and chickens, you will find that...
HOMOSEXUALITY Ray Blanchard at the University of Toronto has found that gay men are more likely than either lesbians or heterosexual men to have older brothers (but not older sisters). He has since confirmed this observation in 14 samples from many places. Something about occupying a womb that has held...
To make grand changes in the body plan of animals, there is no need to invent new genes, just as there's no need to invent new words to write an original novel (unless your name is Joyce). All you need do is switch the same ones on and off...