Researchers identify the signaling program that enables finger and toenail stem cells to direct digit regeneration after amputation.
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In avian species, a gene induces programmed cell death during development in the area where a phallus would otherwise grow.
In the fruit fly, the ability of neural stem cells to make the full repertoire of neurons is regulated by the movement of key genes to the nuclear periphery.
Turning cell phones into basic research tools can improve health care in the developing world.
Researchers use DNA from ancient tooth tartar to chart changes in the bacterial communities that have lived in human mouths for 8,000 years.
As new infections surface and spread, science meets the challenges with ingenuity and adaptation.
Researchers show that a synthetic peptide derived from a sea anemone toxin has potent weight-regulating effects in a mouse model of obesity.
Researchers discover a microbe living at -15°C, the coldest temperature ever reported for bacterial growth, giving hope to the search for life elsewhere in the cosmos.
The essential nutrient can kill drug-resistant Mycobacterium tuberculosis by producing oxidative radicals that damage DNA.
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