How the age of mammals could end

Throughout the past 500 million years, our planet has experienced a total of five mass extinctions. One of these – the Permo-Triassic mass extinction event – led to the demise of roughly 90% of Earth’s species. Most of these events have coincided with the formation of a supercontinent, where Earth’s tectonic

Flooding affects millions in Sylhet

The overall flood situation in Sylhet district has not improved, despite eight days having passed since flash floods hit this region. The Surma and Kushiarar rivers continue to flow above the danger level due to the onrush of hilly waters from India as 2,200 mm of rainfall has been recorded in