Tobacco and Slavery
When America was in the process of colonization by European powers who began settling their people there, they required large numbers of labors to work on their farms. Most of the people who were...
Daily Archive: November 23, 2020
Carbon Dating
An element can exist in different forms which have same chemical properties but different atomic weights. They have same atomic mass because number of protons are identical but additional neutrons make then different in...
Is there life on Mars? Again Microbes hold the key
Earliest life of single cell evolved into 3 branches having distinct traits. The branches further subdivide into more branches on the evolutionary tree of life called Phylogenetic tree of life. The first three branches...