The Clovis, some of North America's oldest inhabitants, probably only made stone tools for about 300 years, new research shows.
Oct. 23, 2020 • ~5 min
archaeology science-and-technology early-humans ancient-history stone-tools north-america
Researchers say DNA from stone tools from in a Mexican cave suggests humans first arrived in America about 15,000 years earlier than previously thought.
July 23, 2020 • ~5 min
dna archaeology migration science-and-technology early-humans caves stone-tools north-america
New research on marmots in the US reveals how the topsy-turvy seasons are causing havoc among wildlife.
July 8, 2020 • ~6 min
climate-change seasons extreme-weather phenology north-america small-mammals