Development
- Humans
Small fetal size early on might carry risks later
A smaller size in first trimester of pregnancy has been linked to heart-health warning signs in childhood.
By Nathan Seppa - Humans
Mother lode
Certain sugar molecules in human breast milk do more to foster beneficial microbes, and banish harmful ones, than they do to nourish newborns.
- Humans
Nuts in pregnancy may decrease allergy risk in kids
The result runs counter to past studies.
By Nathan Seppa - Humans
Year in Review: Language learning starts before birth
Babies seem familiar with vowels and words heard while in the womb.
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- Humans
Newborn babies walk the walk
Infants strut a runway wearing electrodes to show how the walking reflex works.
- Psychology
Moms talk, daughters’ hormones listen
A familiar voice, but not instant messaging, may trigger a kind of hormonal reassurance in girls.
By Bruce Bower