Recent content by bort

One specific example is in the addiction to opiates. In the locus ceruleus, it appears that the opiate receptors do get down-regulated. This process is called desensitization, meaning that the neurons are now less sensitive to the same amount of drug. However, it appears more complicated than...

I am not sure that I understand how there is not a center of the universe. The universe started as a singularity that is expanding at an ever increasing rate from this point. Now this expansion is stronger than gravity's effect on the curvature of space, otherwise the universe would have...

If an object is located at the exact center of the universe, would time pass by infinitely fast for this object? An object at the exact center of the universe would not move at all. It would be independent of inflation. Using Einstein's time dilation equations (as I understand them)...