Tag Archives: Life

Life – 4 billion-ish years old, zero evolution time.

How much time did life have to evolve? The window is shrinking fast. Continue reading

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Posted in Science Bits | Tagged , , | 40 Comments

Life – K from a nice volcanic mud puddle…

Life originating in a mud puddle, not the ocean, explains a lot. Continue reading

Posted in Science Bits | Tagged , , , , , | 30 Comments

The Old Black Man and The White Kid

A parable of life, and development, and potentials… Continue reading

Posted in Human Interest | Tagged , , | 15 Comments

If we evolved in the ocean, why do we have more K than Na in our biochemistry?

If life evolved in our ocean, with a Na / K ratio of 1 : 0.37, why do we have a ratio of 1 : 1.6 in our cells? Why did we evolve a metabolism that spends a lot of energy pumping Na against K to maintain that ratio? Something doesn’t quite fit. Continue reading

Posted in Science Bits | Tagged , , , , , , | 21 Comments