Sinopsis
It has been said that we are made of the stuff of stars. What do you think this means? The pine wood cells pictured on the right and all other organisms on Earth are made mostly of only six common chemical elements. These elements originated under the conditions of massive gravity and heat found in stars. Evidence that the molecules of life — compounds containing carbon, hydrogen, and oxygen — exist throughout the universe is found in comets like Hale-Bopp, shown below. Scientists have recently found that such rocks, travelling through space, transport compounds and molecules that form the basis of life on Earth. Within cells, these molecules are transformed into living organisms with a multitude of complex strategies for survival. The same few molecules are used over and over in different combinations to make literally millions of different structures and to carry out all the different functions needed by living things. The processes involved in sustaining life all begin at the molecular level within the microscopic spaces of the cell. This includes the storage and release of the energy needed to power cellular process — which ultimately comes from the Sun.
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