Those who believe in a spiritual world where god and the human soul reside presumably have in mind some process by which this world interacts with the physical world where our bodies exist and where we apply scientific method.
When we have discussed free will it is clear that believers envisage the soul as the vehicle for exercising free will. Presumably physical brain activity plays some part in our behaviour but how does the soul exert control? How does the soul contend with physical influences such as brain damage, drugs and electro stimulation?
Similarly god acts upon the world. How does he influence physical processes? Again presumably the spirit world can presumably override the usual physical laws. In order to accomplish miracles god would have to subvert simple conservation laws and generate measurable energy. How does this mechanism work? Obviously I don't expect believers to be able to explain the ineffable workings of god in detail but the spirit world is not detectable by physical means and yet it can change the physical, believers must have some view as to how this happens.
The problem for me is that we have tools to investigate the physical world, these tools are not much use when it comes to the spiritual world. It seems as if the spiritual world must 'trump' the physical world in that it can subvert the usual physical laws. When this happens there must be a clear boundary that can be observed. Obviously miracles resulting from the direct intervention of god are not that common and if they are I am sure that god would not tolerate being measured. However the exercise of freewill is a daily occurrence. As neuroscience becomes more sophisticated will we be able to detect where the physical leaves off and the soul takes over?
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A NASA astronomer explains how astronauts dispose of their, uh, dark matter.
- When nature calls in micro-gravity, astronauts must answer. Space agencies have developed suction-based toilets – with a camera built in to ensure all the waste is contained before "flushing".
- Yes, there have been floaters in space. The early days of space exploration were a learning curve!
- Amazingly, you don't need gravity to digest food. Peristalsis, the process by which your throat and intestines squeeze themselves, actually moves food and water through your digestive system without gravity at all.
She met mere mortals with and without the Vatican's approval.
- For centuries, the Virgin Mary has appeared to the faithful, requesting devotion and promising comfort.
- These maps show the geography of Marian apparitions – the handful approved by the Vatican, and many others.
- Historically, Europe is where most apparitions have been reported, but the U.S. is pretty fertile ground too.
A growing body of research shows promising signs that the keto diet might be able to improve mental health.
- The keto diet is known to be an effective tool for weight loss, however its effects on mental health remain largely unclear.
- Recent studies suggests that the keto diet might be an effective tool for treating depression, and clearing up so-called "brain fog," though scientists caution more research is necessary before it can be recommended as a treatment.
- Any experiments with the keto diet are best done in conjunction with a doctor, considering some people face problems when transitioning to the low-carb diet.
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