University of Utah scientists deciphered maternal genetic material from two babies buried together at an Alaskan campsite 11,500 years ago. They found the infants had different mothers and were the northernmost known kin to two lineages of Native Americans found farther south throughout North and South America. By showing that both genetic lineages lived so […]

Oct. 22, 2015 – Across the animal kingdom, males hoot and holler to attract females and ward off competing suitors. Now, a new study finds that male howler monkeys with deeper calls have smaller testicles – and vice versa, according to researchers from universities of Utah, Cambridge and Vienna and other institutions. In the cover […]

If you are in a special relationship with another person, thank grandma – not just yours, but all grandmothers since humans evolved. University of Utah anthropologist Kristen Hawkes is known for the “grandmother hypothesis,” which credits prehistoric grandmothering for our long human lifespan. Now, Hawkes has used computer simulations to link grandmothering and longevity to […]