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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.
Researchers see structural changes in genetic material that allow memories to strengthen when remembered.
Recent major surveys show that reductions in genomic complexity — including the loss of key genes — have successfully shaped the evolution of life throughout history.
Research hints that the energy-generating organelles of cells may play a surprisingly pivotal role in mediating anxiety and depression.
Researchers are examining the power of subtle genetic weaknesses in the immune system to affect the severity of infectious diseases, including COVID-19.