Yams and sweet potatoes are easily confused and yet they are very different crops, including in global trade. Yams are starchier are more like potatoes, whereas sweet potatoes are sweet. Roughly the same volume of yams and sweet potatoes are produced by the world’s largest producers. Yet yams are mostly produced in Africa and consumed locally, whereas sweet potatoes also have roots in Asia and North America.
Moreover, sweet potatoes have been a growing export business. The U.S. is the largest exporter, while China and Vietnam now compete against each other for the number two slot. Their exports have been more variable with Vietnam joining the fray more recently and pulling ahead of China in the most recently available data.&n...
A microlith is a small stone tool usually made of flint or chert and typically several centimeters in length and half a centimetre wide. They were made by humans from at least the Upper Paleolithic, across Africa, Europe, Asia and Australia. The microliths were used in spear points and arrowhea...
Lobelia (/loʊˈbiːliə, lə-/[4][5][6]) is a genus of flowering plants in the family Campanulaceae comprising 415 species,[7] with a subcosmopolitan distribution primarily in tropical to warm temperate regions of the world, a few species extending into cooler temperate regions.[8] They are known g...
The Alaska marmot (Marmota broweri), also known as the Brooks Range marmot[3] or the Brower's marmot,[4] is a species of rodent in the family Sciuridae. Once considered to be the same species as the hoary marmot, it is now known to be unique. Alaska marmots are found in the scree slopes of the...
