1 Myelin is an insulating material that, when itâs worn away or damaged, decreases nerve function. Damage to myelin is called demyelination.  There are different types of demyelination. These include inflammatory demyelination and viral demyelination.
1888 â Roundhay Garden Scene. The worldâs earliest surviving motion-picture film, showing actual consectuve action is called Roundhay Garden Scene. Itâs a short film directed by French inventor Louis Le Prince. While itâs just 2.11 seconds long, it is technically a movie.
Alien (movie series and creative franchise) The first film in chronological order of the Alien/Predator franchise is the film Predator. That film takes place in the late 1980s and it begins the entire series. In fact, all of the Predator films take place in modern times, although obviously in a fictional universe. Chronologically Alien vs. Predator shows the first Xenomorph, although this film was released nearly 25 years after the Alien franchise began.