Paley’s Watch Found
March 30, 2018
There actually is a clock in the heath, and it's in our bodies, too.
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Learn How to Operate Your Body
February 20, 2015
You have built-in machinery and software that's beyond your awareness. Here are ways to enlist your equipment for better health.
Mind Your Brain
August 18, 2012
Recent discoveries about the brain and the mind reveal the wonders inside our skulls and pose deep philosophical questions.
Ready, Aim, Flower
May 26, 2012
How does a plant know the time to flower? A new study describes a process involving genes, sunlight sensors, switches, clocks, feedback loops and messages.
Are Biological Clocks Like Paley’s Watch?
September 9, 2011
What is a clock made of? We think of springs, gears and moving parts made out of metal. But a clock could, in theory, be designed with almost any material. There are water clocks, sundials, and electromagnetic oscillators that all function to tell time. What difference does it make if the parts are made of liquids, laser beams, or plastic? What if a clock was made of biological material—would it be any less a device for keeping time? Would it surprise you that such clocks exist in your body and in every living thing?