Short answers, pulled from the story.
The term paranormal has existed in the English language since at least 1920. It combines para, meaning above or beyond, with normal, referring to the standard scientific understanding of the world. Anything that falls outside or runs contrary to that scientific picture is described as paranormal.
Charles Fort (1874-1932) is considered by many to be the father of modern paranormalism. He compiled as many as 40,000 notes on unexplained phenomena drawn from mainstream newspapers and scientific journals, and published four surviving books: The Book of the Damned (1919), New Lands (1923), Lo! (1931), and Wild Talents (1932). He is generally credited with coining the term teleportation and is thought to be the first person to propose alien abduction as an explanation for mysterious disappearances.
Polls show that about fifty percent of the United States population believes in the paranormal. The 2017 Chapman University Survey of American Fears found that 55% of respondents believed ancient advanced civilizations such as Atlantis once existed, and 52% believed places can be haunted by spirits. Only one quarter of respondents did not hold at least one paranormal belief.
Research has associated paranormal belief with cognitive bias, fantasy proneness, dissociation, and lower cognitive ability. Studies by Bainbridge (1978) and Wuthnow (1976) found that people who are poorly educated, unemployed, or hold low-status social roles are among the most susceptible. Scientists have also connected high dopamine levels to the tendency to detect patterns where none exist, which appears related to paranormal belief.
No. The James Randi Educational Foundation offered one million dollars to anyone who could demonstrate paranormal, supernatural, or occult ability under test conditions agreed to by both parties. Despite many claims of supernatural ability, the prize was never claimed.
A paranormal phenomenon cannot be confirmed using the scientific method because successfully confirming it would reclassify the phenomenon as part of science, removing it from the paranormal category by definition. Paranormal sightings and events are also typically brief and non-repeatable, which prevents the controlled re-testing that scientific investigation requires.