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Something that happens spontaneously or without cause.
You're joking right?
http://www.physics.isu.edu/radinf/natural.htm
http://en.wikipedia.org/wiki/Radioactive_decay
...
Nope. Why does that matter? The absence of scientific proof doesn't make the God theory any more true.
That matters, because since you can't understand the existence of God scientificly, that means to you, it's impossible.
What if someone 10 000 years from now (after a total destruction of the present human civlisation, and a new fresh start from nothing, and they are now, idk an advanced level of education and etc.. (but not electricity and technology and such things) ), heard a myth, that once upon a time, people had balls that light up at night, and turn the night into day, they call them electric lamps, here, it's just a myth to them, yet it's true, the person who have just heard the "myth" will say, there's no scientific proof for that! I can't understand how can that be possible, therefore, that is a faulse myth.
Well, it's just a story
Something you/we don't understand (scientificly) , doesnt mean it's impossible or can't be.
The scientific proof of God himself, as, what/who is God? is what we don't know, it's beyond our understanding (even our imagination is related to our known world), but the logical proof, is there, effcorse not everyone beleive, since they are in a complete neglecting of the existence of God...
The absence of a scientific proof of something, doesnt make a theory totally wrong, due to the absence of scientific knowledge, and we however, don't know everything, and we are soo far from that.
Understanding God himself scientificly may be beyond our udnerstanding and our mind, but other proofs that can proove that scientificly are there, either we discovered/saw those proofs, or not yet.
Don't you think that there's more than the physical and matter part of the universe? what we can interact with and deal with physicly (atoms), is only 4% of the univerce (theoreticly).
To me, seing how everything in the universe is coherent and attched, including life itself, where everything in it is in need to the other element and in complete fiting in the life cycle and etc... (wich is suposed to be "randomy" developed" ..etc...that prooves me tha there is a universal, law?, force?, ..., call it what you want, but it's a controlling force/...
To me it's also a feeling (I know that this sentence, will make all what I typed here "fall" in your opinion, but, we're just not robots to take everything by numbers, I know that this is not a scientific proof)
You however, did say it's not impossible that a god ( or God...) exist.
Excuse me for my bad spelling.
Say there have been about 100 billion people ever born on Earth. About half of those people died as babies. That's 50 billion people that died through no fault of human beings.
Back to the physic laws and nature science.
Let's say, half of those, died because of a genetic error. (still physic and nature science laws)
Many others died because they were stuck, either because of a bad way of giving birth, a first time, something like that... (no miracles in that)
Besides, kids and insane people who dies, go to heaven, people who died in work (not the kind of bad work apparently, like drug dealer or a strip dancer or such things), or someone on travel (not to a bad reason too, like drug drealer or an assasin), someone died in an accident while going to work, to pray, someone died in.... etc...
Those people go to heaven, there's always exceptions however, God is more merciful and just than that.