Finding living planets
Life evolves on planets. And planets with life evolve
MOST PIECES in this series of briefs have stayed within the realm of the biological, examining life at the levels of the species, the individual, the organ and the cell. But the first dealt with a subject central to biology but not inherently of it: molecules. No molecule can be said to be truly alive, and not all molecules are biological. But some are, and they are biological in distinctive, illuminating ways, revealing how life gets things done and passes information down the generations.
This article appeared in the Schools brief section of the print edition under the headline “Worlds enough, and time”
From the September 4th 2021 edition
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An individual’s life story is a dance to the music of time