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The evolution of a defensive gland in beetles shows how organs can arise from novel cells carving out new functional niches for their neighbors.
Mitochondria appear to communicate and cooperate with one another, both within and between cells. Biologists are only just beginning to understand how and why.
In grafted plants, shrunken chloroplasts can jump between species by slipping through unexpected gateways in cell walls.
An unorthodox symbiotic theory about the origin of eukaryotes’ defining characteristic may soon be put to the test.
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.
Research hints that the energy-generating organelles of cells may play a surprisingly pivotal role in mediating anxiety and depression.
Neuroscientists could use brain waves to spur immune cells into action against the disease — but the process is almost too fantastic to believe.
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