Chaco Canyon, located in northwest New Mexico, is perhaps the only site in the world constructed in an elaborate pattern that mirrors the yearly...
Carl Sagan covers a wide range of scientific subjects, including the origin of life and a perspective of our place in the universe.
Ufikiaji Bure wa Ukomo, Tafuta chochote Hakuna Matangazo, Mamilioni ya vyeo na kuongezwa kila siku, Majukwaa yote na Optimized Kikamilifu, Mahali popote na wakati wowote
