ATOMUL

http://www.iesmariazambrano.org/Departamentos/flash-educativos/atomo.swf

Do Positive People Live Longer?

Most people assume that positive thinking is just something that we do to help achieve our goals, or even to get through difficult times. But a host of exciting research has shown that attitude affects our health -- so much so, in fact, that a positive attitude can add years to our lives.


Articolul integral aici :David R. Hamilton, Ph.D.

Ph.D. in Organic Chemistry

Solar System Game - Identify Planets

Solar System Game For Kids