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The Water Planet: Big Bang, The
03:48

The Water Planet: Big Bang, The

The "Big Bang" is the commonly accepted theory of the origin of the universe. Most scientists believe this cataclysmic explosion took place about fourteen billion years ago. It is widely thought that the universe has been expanding ever since.

Framing
02:00

Framing

Nobel Prize winning professor of psychology Daniel Kahneman talks about framing, which he describes as, "...the influence of formulation on preference." Dr. Kahneman provides an example of survey respondents asked to react to statistics indicating a...

Waste, Part II: Hazardous Waste from Atomic Weapons
06:35

Waste, Part II: Hazardous Waste from Atomic Weapons

In the desert of New Mexico a half mile beneath the surface of the earth in a salt mine judged to be 250 million years old, a permanent disposal site is sought for the wastes from decommissioned atomic weapons facilities.

Waste, Part II: Hazardous Waste from Nuclear Power Production
03:05

Waste, Part II: Hazardous Waste from Nuclear Power Production

Nuclear power does provide an alternative to fossil fuels, but creates a serious long term disposal problem for its waste, which is highly radioactive. The Nuclear Policy Act of 1982 charged the Department of Energy with developing a permanent repos...