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Nursing Neanderthals, multisexual mutant mice, and the undead

Barium distributions in teeth reveal early-life dietary transitions in primates
"in a Middle Palaeolithic juvenile Neanderthal... exclusive breastfeeding for seven months, followed by seven months of supplementation.... [then] Ba levels in enamel returned to baseline prenatal levels, indicating an abrupt cessation of breastfeeding at 1.2 years of age"

Serotonin signaling in the brain of adult female mice is required for sexual preference
"male mutant mice lacking serotonin have lost sexual preference.... female mouse mutants lacking either central serotonergic neurons or serotonin... displayed increased female-female mounting"

Regeneration of Little Ice Age bryophytes emerging from a polar glacier with implications of totipotency in extreme environments "following 400 y of ice entombment... [bryophyte cells can ] dedifferentiate into a meristematic state (analogous to stem cells) and develop a new plant."

Quorum-sensing autoinducers resuscitate dormant Vibrio cholerae in environmental water samples
[I wonder if this would work with other "unculturable" microbes.]

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