: Explains how the first atoms (mostly hydrogen and helium) formed in the first few minutes of the universe.
: 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) Origins
This field uses fossils and genetics to map the evolutionary journey from ape-like ancestors to modern humans. : Explains how the first atoms (mostly hydrogen
: Key milestones include the development of bipedalism, tool use, and increased brain size. The Origin of Life (Abiogenesis) This field uses
Modern science traces all cosmic history back to a single point of origin approximately .
: The domestication of plants and animals allowed for food surpluses and permanent settlements.
: The idea that organic building blocks (amino acids, nucleotides) were synthesized in Earth's early atmosphere or delivered via meteorites . 3. Human Origins (Paleoanthropology)