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Even genes essential for life can be caught in an evolutionary arms race that forces them to change or be replaced.
The physicist Jeff Gore tests theories about microbe communities experimentally and finds new rules governing ecological stability.
Carpenter ants need endosymbiotic bacteria to guide the early development of their embryos. New work has reconstructed how this deep partnership evolved.
Recent major surveys show that reductions in genomic complexity — including the loss of key genes — have successfully shaped the evolution of life throughout history.
Plants ignore the most energy-rich part of sunlight because stability matters more than efficiency, according to a new model of photosynthesis.
To recognize strange extraterrestrial life and solve biological mysteries on this planet, scientists are searching for an objective definition for life’s basic units.
Cosmic rays may have given right-handed genetic helixes an evolutionary edge at the beginning of life’s history.
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