Sapiens History of Humankind

Description

ABOUT 13.5 BILLION YEARS AGO, and MATTER, energy, but reality came into being

in what is known and as the Big Bang. but and The and account of these central features of

our universe is called physics. but About and 300,000 years after their appearance,

matter, and energy but  began to coalesce into and complex structures called iotas,