It’s intriguing that life as we know it depends on a seemingly un-natural distribution of minerals.
Don’t walk on the grass, that “often undervalued” form of life, without looking down. It’s amazing down there.
One-third of minerals — chemical solids whose atoms are highly ordered — are created directly or indirectly by life forms.
Jupiter’s moon Europa, somewhat smaller than Earth’s moon, may have surface water and organic chemicals, researchers say.
One or two examples are interesting. But where the argument gains dramatic force is in the accumulation of many examples.