Hallucination, what is it? Free wandering of the mind, the ability to see parallel universes, a soul’s flight through a continuum of variants, or just a brain malfunction? Is it a disease or a normal physiological reaction to a specific stimulus or set of stimuli? By Viatcheslav Wlassoff.

A 16th dismembered foot in a shoe was discovered in Vancouver this week. By Yanan Wang. (Feb. 11)

Breathwork was born out of LSD research in the 1960s, and suggests that by hyperventilating, you can experience the same feeling as an acid trip. By Conor Creighton.

Mystical experiences may occur when the brain’s inhibitory processes are suppressed, opening a “door of perception,” new research found. By Charles Q. Choi.

The story behind the classic ghost story ‘The Signal-Man.’ By Paul Gallagher.

In the 1970s, Ruth Norman became an author, UFO expert, and archangel, By Marie Lodi.

A crusading neuroscientist has finally come up with a cure for sleep paralysis, the condition that terrified our ancestors. By Theresa Fisher.

Two-thirds of us have experienced feeling déjà vu -- the belief you've been here or done that before, when you know there’s absolutely no way you could have -- but researchers are trying to find out what causes it. By Sandee LaMotte.

About half of us will experience at least one lucid dream in our lives, where we are aware and may be able to take control of it. What can this tell us about consciousness? By Dan Denis and Giulia Poerio.

“War is mainly a catalogue of blunders” – Winston Churchill.

Every story I have ever told has a kind of breach to it, I think. You could say that my writing isn’t quite right. That all the beginnings have endings in them. By Lidia Yuknavitch.

A mysterious mansion hidden in the hills of Los Angeles remains frozen in time since December 6, 1959. During that dark night, a doctor murdered his wife in a frenzied hammer attack, and then killed himself. Fifty years later, visitors started reporting paranormal activity. Now the abandoned house is the focus of an Internet obsession. This is the true story of 2475 Glendower Place. By Jeff Maysh.

The huge collection of books belonging to Dr John Dee, adviser to Queen Elizabeth I and proto-modern scientist, is being exhibited for the first time. (Dec. 16)

Damien Broderick on ”Parapsychology: A Handbook for the 21st Century and Extrasensory Perception: Support, Skepticism, and Science.” (Dec. 17)

“Now what, on earth, is going on in this account? The newspapers that wrote about Doheny described her as a ‘witch,’ but it would be closer to the truth to call her a ‘fairy woman’ or a ‘fairy doctor’: the nineteenth-century media, particularly in Britain, constantly misunderstood Irish fairy superstitions, confusing the same with witchcraft...” By Dr Simon Young.

It was to be a magical, enchanting month for us. Jupiter, the giver of gifts and luck, was moving into Virgo midmonth in alignment with the sun, where it would multiply the beneficence of the gassy planet and rain fortune down upon us. Mercury and Venus were in retrograde, complicating email and love, but a group of small planets was gathering in our sixth house of work and assignments and health...

Seventy years after the disappearance of five planes in the Atlantic, Giles Milton investigates one of the world’s most enduring aviation mysteries. By Giles Milton.

“The challenge of precognitive technology is working within the narrow margin where information tends not to be self-cancelling—this is the parameter of “post-selection” that is required by a Seth-Lloyd-style quantum time machine: You can’t build a system whose (prior) output leads to a chain of events that prevents its (subsequent) input.” By Eric Wargo.

A radical new solution to the mind-body problem poses problems of its own. By John Horgan.

Influenced by Culture and Fed by Our Fears. By Rachel Nuwer.