Generally called a virus, but there are many types. The most destructive are root-kits. These will bury themselves into the programming of the Operating System and from there can affect any part of the system.
VIRUS
malware
"altering public space" is how your presence has affected those around you either negatively or positively.
If you are altering someone else's image, you need their permission.
Altering, copying, distributing, or in certain cases displaying a work without permission of the copyright holder is an infringement of his or her copyright.
By copying, altering, distributing, performing, or displaying works for which you have neither permission from the rightsholder nor an exemption in the law.
Copyright stops you from devaluing other people's intellectual property by copying, altering, distributing, or performing/displaying it without their permission.
Copying, altering, distributing, or performing/displaying a work without an exemption in the law or permission from the rightsholder is unauthorized.
Copying, altering, distributing, performing, or displaying something that is not your original work, and for which you don't have permission from the rightsholder or an exemption in the law.
Altering a copyrighted work is one of the exclusive rights of the copyright holder, and would itself require permission.
Copying, altering, distributing, or performing/displaying a work for which you are not the copyright holder, and for which you do not have permission from the rightsholder or an exemption in the law, is a violation of copyright laws.
Copying, altering, distributing, or performing/displaying the file without permission from the copyright holder or an exemption in the law would be considered infringement.
Yes, it is a mind altering and potentially addictive drug. A few states allow it to be purchased with a prescription and otherwise it is illegal in all of the US.
Scientists search for genes because knowledge on our genetics can cure diseases. It could also tell us about how we might evolve in the future, and how we evolved in the past. This research could provide gene therapy (altering genes) and choosing what you're child will be like (also by altering genes).