: Recent studies on human ancestry reveal that modern humans interbred with other hominins, such as Neanderthals and Denisovans. 4. The Origin of Civilization
: Explains how the first atoms (mostly hydrogen and helium) formed in the first few minutes of the universe. Origins
: A theory suggesting a rapid exponential expansion in the universe's earliest fractions of a second to explain its current uniformity. 2. The Origin of Life (Abiogenesis) : Recent studies on human ancestry reveal that
: The domestication of plants and animals allowed for food surpluses and permanent settlements. Origins
Modern science traces all cosmic history back to a single point of origin approximately .