亚洲最大福利网站_4hu四虎永久网址_麻豆国产原创_国产成人av一区二区

Sweet discovery pushes back the origins of chocolate
date:Oct 30, 2018
esticated in South America, rather than in Central America.

Archaeological evidence of cacao's use, dating back to 3,900 years ago, previously planted the idea that the cacao tree was first domesticated in Central America. But genetic evidence showing that the highest diversity of the cacao tree and related species is actually found in equatorial South America-where cacao is important to contemporary Indigenous groups-led the UBC team and their colleagues to search for evidence of the plant at

12/25 00:08