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What is Human Nature?: Biology's Challenge to Traditional Western View of Human Nature
06:48

What is Human Nature?: Biology's Challenge to Traditional Western View of Human Nature

In the 17th and 18th centuries, scientists are fascinated with collecting specimens and classifying species. However, It will be Charles Darwin who creates a new picture of nature. In the 1830s he travels to the Galapagos Islands to research both li...

What is Real?: Arguments Against Metaphysical Speculation
03:42

What is Real?: Arguments Against Metaphysical Speculation

Some philosophers object to the idea that there is a spiritual reality different from the physical world as mere metaphysical speculation. As one group contends anything we cannot perceive with our senses or prove scientically should not be conside...