Researchers identify the signaling program that enables finger and toenail stem cells to direct digit regeneration after amputation.
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A panel of advisors says that the agency should loosen restrictions on the sale of a diabetes drug with a spotty clinical safety record.
In avian species, a gene induces programmed cell death during development in the area where a phallus would otherwise grow.
Regular supplies of food for scavenger birds in Spain may not be the most effective conservation strategy, as smaller birds are bullied away.
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.
Assistant Professor, Department of Zoology, University of British Columbia. Age: 34
Yale University evolutionary biologist Steven Brady studies the evolutionary impacts of roads on the amphibians.
A mass poisoning of 105 patients treated with an untested medication spurred Congress to empower the US Food and Drug Administration to monitor drug safety.
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.
From now on, US physicians and researchers will have to get approval from the FDA before they can perform a stool transplant.
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