Uncontacted peoples -- people groups who have never made sustained contact with neighbouring communities, let alone the outside world in general. These people groups are often indigenous, and many of them are scattered in South America and the island of Papua. Some 100 of them exist, but here, we will focus on one of them. … Continue reading What do we know about the Sentinelese language?
In ecology, there is a widely-recognised global pattern in distribution of species. Studying terrestrial vertebrates, ecologists found that species richness increases from poles to tropics. This pattern is also seen in marine organisms as well. Birds, on the other hand, have the highest species richness in regions corresponding to the tropics and mountain ranges. The … Continue reading Language and Ecology — The Latitudinal Gradient