41. Tellurium and selenium are the heavy elements most depleted by this process. 42. Selenium sulfide is being studied in the manufacture of photovoltaic solar cells.43. Carbon, aluminium, phosphorus and selenium continue the theme. 44. Selenium has been used in the same way as tellurium.45. Selenium is commonly described as a metalloid in the environmental chemistry literature.46. Selenium is a vital nutrient in animals, including humans.47. Some species, including a few that produce swainsonine, accumulate selenium . 48. Low selenium status is associated with higher incidence of pre-eclampsia. 49. Selenium substitutes for sulfur in the structure constituting a solid solution series.50. They also claim that selenium increases electric conductivity and reduces thermal conductivity.
