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age of the earth

A little thicker than a hair and sheds light on the beginning of life. The ancient zircon crystal. Photography: John Valley

A crumb from the rock of our existence: scientists have discovered the oldest crystal in Israel

  • 5 תגובות
Cross section showing how continents slide under each other. Image: NASA

Is life also responsible for the creation of the continents on Earth?

  • 20 תגובות
God according to Michelangelo

Prof. Raphael Fleck comments on an article by MK Shaki/ To know, 1985

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