Through excavation of the Debra L. Friedkin site northwest of Austin, Texas, a team of archaeologists has identified a particular style of projectile point dated between 13,500 and 15,500 years ago — this is earlier than typical Clovis-style technologies dated to 13,000 years ago. A 15,000-year-old stemmed point at the Debra L. Friedkin site, Texas. Image credit: Waters et al, doi: 10.1126/sciadv.aat4505. The team found more than 100,000 artifacts,...