Changes to alpine streams fed by glaciers and snowfields due to a warming climate threaten to dramatically alter the types of bacteria and other microbes in those streams, according to new research. But streams that are fed by underground ice insulated by rock -- called 'icy seeps' -- offer some hope that the impact of climate change will be less severe in some areas.
Examining a 3-meter stack of bat feces has shed light on the landscape of the ancient continent of Sundaland. The research could help explain the biodiversity of present-day Borneo, Sumatra, and Java. It could also add to our understanding of how people moved through the region.
For the first time, a team of scholars and archaeologists has recorded and interpreted Cherokee inscriptions in Manitou Cave, Alabama. These inscriptions reveal evidence of secluded ceremonial activities at a time of crisis for the Cherokee, who were displaced from their ancestral lands and sent westward on the Trail of Tears in the 1830s.
By studying the last 50 years of growth of a stalagmite from Mawmluh Cave, they found an unexpected connection between winter rainfall amounts in northeast India and climatic conditions in the Pacific Ocean.