A mastodon tusk discovered by David Webb and John Dunbar at Page-Ladson showed clear signs of human contact, according to an analysis by mastodon expert David Fisher.
Sources
- Discovery Points to Earlier Arrival of First Americans (nationalgeographic.com)
- https://news.umich.edu/new-evidence-that-humans-settled-in-southeastern-us-far-earlier-than-previously-believed/ (news.umich.edu)
- https://www.sciencenews.org/article/hunter-gatherers-florida-14500-years-ago (sciencenews.org)
More in Science
- The 2010 Dietary Guidelines for Americans introduced the concept of healthy eating patterns, which was represented by the MyPlate icon in 2011.
- The USGS earthquake hazards map excludes earthquakes caused by human activities such as pumping wastewater from hydraulic fracturing or injecting carbon dioxide deep underground.
- Little red dots observed by JWST show broad spectral emission lines typical of active galactic nuclei (AGNs), indicating gas spinning around a black hole.
- Wigner's 3-j symbols, also called 3-jm symbols, are used in quantum mechanics as an alternative to Clebsch–Gordan coefficients for adding angular momenta.
- The paper 'Experimental Test of Tracking the King Problem' was published in the journal Research on December 4, 2019.
- The first hand and foot bones clearly linked to the extinct human relative Paranthropus boisei have been discovered.