All About Lobsters. The New England lobster is a fairly terrifying-looking sea-green creature that's cannibalistic, reclusive, rather nasty, and very good to eat. The New England lobster (Homarus Americanus) is a crustacean related to crabs, shrimp, crayfish and barnacles. An arthropod, it is more closely related to insects than to animals (hence the jocular term bugs for lobsters).
Primary Lateral Sclerosis (PLS) PLS is the term for a group of upper motor neuron disorders that cause cause progressive spasticity (stiffness) and weakness in the legs, arms, and speech and swallowing muscles. See PLS. Also considered a benign variant of ALS.
SOS [not an acronym] a common misconception is that SOS means Save Our Ship/Souls (a distress call); the letters don't actually stand for anything: SOS: Save Our Ship (distress call, common but incorrect) SOS: Secretary Of State: SOS: Sound On Sound: SOS: Somali Shilling (ISO currency code) SOS: Strength of Schedule (sports statistic) SOS