Ancient humans brought bottle gourds to the Americas from Asia
.... The finding solves a longstanding archaeological enigma by explaining how a domesticated variant of a species native to Africa ended up millennia ago in places as far removed as modern-day Florida, Kentucky, Mexico and Peru. The work, by a team of anthropologists and biologists from Harvard University, t...Extinctions linked to climate change
...er biological disruption. What had been seen as an enigma is now understood as a complex relationship between global warming and major extinction of species. "This new study is a breakthrough, and the powerful synergy between pathogen transmission and climate change should give us cause for concern about ......y ladder is still unknown. Horolodectes remains an enigma to this day. "It's just too bizarre to place in any group that we've known about previously," said Scott. "It's an open question until we can find more of it. We have no information from a skull or other parts of the body." ...