Two Russian institutes—A.N.Severtsov Institute of Ecology and Evolution and Moscow State Agricultural University, and the Centre for Cellular and Molecular Biology, India, have compared the chemical contents of the faecal matter of the Amur and Bengal tigers to examine the stress levels of these tigers in India and Russia.
A unique material, chromium antimonide (CrSb), defies conventional rules by conducting electricity like two different materials in one, dominated by electrons in one direction and holes in another, a phenomenon called DDCP.