Isn't it obvious? In the future mankind has discovered how to travel backward in time and they have used that technique to seed the ancient earth with life.
how come we can't reproduce it, or even bring things back to life?
Patience. Rome wasn't built in a day you know.
"Isn't it obvious? In the future mankind has discovered how to travel backward in time and they have used that technique to seed the ancient earth with life."
thats more realistic than randomly applying statistical mathematics.
and regardless of when Rome was built, it seems quite a simple procedure considering the materials involved. carbon, nitrogen, oxygen, hydrogen, and even silicone SHOULD provide life when presented with adequate energy and in the right combinations. at least according to "its all chemicals" theories. we've done all that. beyond that would require designing it, which would still prove life cant exist without intellegent design.