Day Time, Night Time: The Clock Within Us
Where does our sense of time passing come from? Besides breathing and heartbeat, does the human body have another source of internal rhythm? As this program illustrates, scientists have discovered a stopwatch within the brain that regulates body che...
Time and Cosmology
Philosopher Stephen Toulmin talks about the efforts of Immanuel Kant and others to come to grips with questions about time and whether it's possible to produce an overall theoretical description of the whole process by which the material universe to...
The Discovery of Time
Philosopher Stephen Toulmin explains that people in different parts of the world who have lived at different times have often had very different conceptions of time. He mentions several, including the notion that processes of time operate in a kind ...