Enhanced phases of volcanic activity sustained over thousands of years can cause the earth’s climate to tilt towards a long lasting greenhouse or an icehouse.
About 5-10 million years ago, a branch of the Bay of Bengal had invaded as far north as present-day Sikkim.Read more
At the heart of the survey was the calculation of distances and directions using the method of triangulation.Read more
“How would you know if a coastline had been inundated by a tsunami say 5,000 years ago?”Read more
“Settlements of the Harappan Civilization were spread out over quite a large area in northwest India.”Read more
“A large, rigid continent need not break into two clean pieces. Very often, the edges splinter.”Read more