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The genomes of two species of water bears reveal clues about how they persist in extreme conditions, yet don’t resolve the animals’ debated evolutionary story.

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image: Stem Cells in the Hypothalamus Slow Aging in Mice

Stem Cells in the Hypothalamus Slow Aging in Mice

By | July 26, 2017

Once implanted into animals’ brains, neural stem cells that secrete microRNA-containing vesicles seem to contribute to an anti-aging effect.

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image: Caterpillars Turn to Cannibalism: Study

Caterpillars Turn to Cannibalism: Study

By | July 10, 2017

Herbivores may take to omnivory and eat conspecifics when the plants they feed on produce unsavory protective chemicals.

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A study suggests that “chief” cells in the stomach act as reserve stem cells that are activated by tissue damage and may be the long-sought source of gastric cancer.

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image: Mammals May Have a 12-Hour Clock

Mammals May Have a 12-Hour Clock

By | June 6, 2017

Data point to peaks in gene expression in the morning and evening that are distinct from day-night circadian cycles.

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image: Researchers Discover Salt-Loving Methanogens

Researchers Discover Salt-Loving Methanogens

By | May 26, 2017

Two previously overlooked archaeal strains fill an evolutionary gap for microbes.

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image: Male Fish Borrows Egg to Clone Itself

Male Fish Borrows Egg to Clone Itself

By | May 24, 2017

A fish created by spontaneous androgenesis is the first known vertebrate to arise naturally by this asexual reproductive phenomenon. 

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image: Blood Stem Cells Grown in the Lab

Blood Stem Cells Grown in the Lab

By | May 17, 2017

Researchers identify transcription factors and environmental conditions necessary to reprogram human and mouse cells into cells that function like hematopoietic stem cells.

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The infamous "Baby Louie" embryo is a giant oviraptorosaur fossil from China that resembled a gargantuan bird.

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image: Stem Cell Trial Data Mostly Go Unpublished

Stem Cell Trial Data Mostly Go Unpublished

By | May 5, 2017

Less than half of completed stem cell studies in humans are published in peer-reviewed journals, according to an analysis of regenerative medicine trials. 

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