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The DNA of some viruses doesn’t use the same four nucleotide bases found in all other life. New work shows how this exception is possible and hints that it could be more common than we think.
New research links serotonin and dopamine not just to addiction and depression, but to the ability to control genes.
The ingredients for reactions ancestral to metabolism could have formed very easily in the primordial soup, new work suggests.
Cosmic rays may have given right-handed genetic helixes an evolutionary edge at the beginning of life’s history.
Mitochondria are most famous as sources of metabolic energy. But by splitting and combining, they can also release chemical signals to regulate cell activities, including the generation of neurons.
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