Schools brief | Biology brief

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”

The threat from the illiberal left

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