Like many fish and amphibians, the Guiana dolphin can sense low levels of electrical activity in the water—an ability not previously reported in true mammals.
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People living in near the Earth’s poles, where days are often short and light often low, have larger eyes and visual cortices than those closer to the equator.
A UK panel puts forth guidelines for research that use experimental animals harboring human cells and tissues.
Non-African people carry remnants of the Neanderthal X chromosome, suggesting interbreeding with early human ancestors.
The number of human embryonic stem cells approved for federal funding continues to grow.
A method for precise gene editing is able to change disease-causing point mutations in human stem cell DNA.
A colorful toad that has been missing for 87 years is discovered in Malaysia.
The hike is attributed to expanded use of genetically modified and mutant animals.
A Danish cell bank scrambles to save irreplaceable cell and tissue samples in the wake of a flood.
A certain type of neural precursor does it all—replaces itself, differentiates into specialized brain cells, and multiplies into more stem-cell-like cells.
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