Fathers distinguish infants early study says
Harvard research confirms infants can differentiate fathers from mothers by four weeks and respond distinctly to each parent. Dr. Yogman presented findings from video analyses of ten-day-olds through six months, showing less distress with parents than with strangers and stronger engagement with fathers than with strangers.
MENTIONED IN THIS ARTICLE
ST. Louis
UPD
Harvard
Michael W. Yogman
Yogman
Atom smashers trace Indian trade routes
A BYU research team uses atom smashers to fingerprint obsidian artifacts to map ancient Indian trade in the Western Hemisphere. Three archaeologists, a physicist, a chemist and a geologist bombard glass with X-rays and protons to read trace elements, matching arrowheads to volcanic sources near Mexico City and Guatemala City.
MENTIONED IN THIS ARTICLE
Provo, Utah
UPI
Hemisphere
Fred Nelson
BYU Chemistry Department
Nelson
BYU
Campeche
Chiapas
Mexico
Mexic City
Guatemala City
Guatemala
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