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What animates us? In other words, what is it that causes us to be living matter? For example, what distinguishes a living orchid from a tissue-paper-and-paint model of an orchid? Or what distinguishes a hawk from an airplane? What is it that causes the material that is us to hold together and function

The natural world functions very well on its own. Left to their own devices, members of the tens of millions of species on our planet thrive and prosper without relying on outside agencies. In order to grow abundantly, plants consume carbon dioxide, water, and nutrients from the soil. Likewise, herbivorous

In April 2010 the BP Deep Horizon drilling rig exploded in the Gulf of Mexico, resulting in a catastrophic offshore oil spill. Millions of barrels of oil have spilled into the Gulf since the explosion, representing an unprecedented environmental disaster. Many complex ecosystems are affected by the oil

Everyone is aware of the extremely high cost of most health care services. These costs can be measured not only in cash outlays, but also in time spent at a doctor's office. Waiting times can often be an hour or more for a comprehensive physical examination at a family physician's or internist's office.