Important Facts About Dolphins. Can range from 1.7 meters (5 ½ feet) to 8 meters (26 feet), across various species of dolphins. Check out the cool facts about these beautiful creatures.

When dolphins take a breath, they replace 90% of the air in their lungs with fresh air. Dolphins are mammals known for their friendliness. Dolphins are extremely powerful animals.

Albert Einstein Important Contributions. Everybody probably knows albert einstein. Some of his awards and honors include the copley medal, the franklin medal and the nobel prize in physics.

To commemorate him, we have compiled this list of his main contributions to physics: Albert einstein’s greatest contribution to the world was his theory of relativity in which he described new ways of looking at time, space, matter, energy and gravity. He was awarded the 1921 nobel prize for physics for having provided a comprehensive insight into the photoelectric effect.

Important Medical Discoveries Timeline. In a first, the newly developed drinker respirator (iron lung) saves a polio patient at peter bent brigham in collaboration with children's hospital medical center, today boston children’s hospital, and the harvard school of public health. Alhazen systematically studies optics and refraction, which would later be important in making the connection between geometric (ray) optics and wave theory.

Antiquity medical inventions and discoveries. As science and medicine progresses, the research community has had an incredible effect on life expectancy and i’ve looked at seven of the greatest discoveries to impact human health. In 1953, gibbon performs the first successful open heart procedure on a human using cardiopulmonary bypass.

Important Dates In The Holocaust. * number of homosexuals killed by nazis: German forces kill approximately 35,000 jews in the ghetto during the deportation operation.

Law for the restoration of the professional civil service. A timeline of the holocaust is detailed in the events listed below. Also referred to as the shoah (in hebrew), the holocaust was a genocide in which some six million european jews were killed by nazi germany and its world war ii collaborators.about 1.5 million of the victims were children.