| It's zero in free-fall—and, put another way, a hint to how the four longest puzzle answers were formed | 110 |
| Italian city where Umberto Eco's "Foucault's Pendulum" takes place | 84 |
| Italian word that becomes English after deleting its third, fourth, and fifth letters | 85 |
| Item deemed by a hi-tech company president in 1977 to be unreasonable for home use | 82 |
| Item for Gil Grissom's team--one begins the answer to each starred clue | 75 |
| Item in a sealed box, in a famous thought experiment by Erwin Schrödinger | 76 |
| Item in Schrödinger's box (and in this puzzle) that exists in two different states simultaneously | 104 |
| Item in the hardware department with a "+" or "-" on its head | 81 |
| Item missing in this puzzle's theme that's absent as well in the fill and clues | 87 |
| Item of clothing named for the commander in chief who ordered the action of 10/25/1854 | 86 |
| Item of clothing named for the major general who led the action of 10/25/1854 | 77 |
| Item of clothing named for the site of a disastrous British military action of 10/25/1854 | 89 |
| Item on a safari guide's "least recommended activities" list? | 75 |
| Item that Dr. Seuss's Once-ler knitted from the silk tufts of Truffula trees | 80 |
| Item: 1937 memoir. Problem: Sent to us by wrong supplier (text is in Swahili). | 78 |
| Item: 1947 novel. Problem: Currently inaccessible; also probably sustaining fire damage. | 88 |
| Item: 1966 true-crime work. Problem: Pages soaked with viscous red substance. | 77 |
| Items that Dr. Seuss's Once-ler knitted from the silk tufts of Truffula Trees | 81 |
| Its cause is what rocket scientist Robert Truax predicted would be found and corrected by 2010 | 94 |
| Its D.C. building has the Oliver Wendell Holmes Jr. quote "Taxes are what we pay for a civilized society" | 115 |
| Its episode titles have included "Got Murder?" and "You Kill Me" | 84 |
| Its first issue featured Sugar Ray Robinson's wife Edna on the cover | 72 |
| Its first notable orchestral use was in Saint-Saëns' "Danse Macabre" | 85 |
| Its first tweet was "We can neither confirm nor deny that this is our first tweet" | 92 |
| Its flag consists of a crimson St. Andrew's cross on a white background: Abbr. | 82 |
| Its flag states "Our liberties we prize and our rights we will maintain" | 82 |
| Its ingredients may include cocoa, confectioners' sugar, and vanillin | 73 |
| Its motto is "Cor prudentis possidebit scientiam" ("The wise heart seeks knowledge") | 104 |
| Its motto is "Our liberties we prize and our rights we will maintain" | 79 |
| Its name comes from a Native American word meaning "land of the trembling earth" | 90 |
| Its name is derived from Provençal words for "garlic" and "oil" | 86 |
| Its national anthem begins "Upwards on the horizon rose the Eastern Sun" | 82 |
| Its opening voice-over ended "to boldly go where no man has gone before" | 82 |
| Its ratification was one of the goals of the women's suffrage movement | 74 |
| Its royal badge features the motto "Pleidiol wyf i'm gwlad" | 73 |
| Its second-ever video was for Pat Benatar's "You Better Run" | 74 |
| Its stroke is "as a lover's pinch, which hurts, and is desired," per Cleopatra | 92 |
| Its unique bites are referred to as "breakfast, lunch, and dinner" | 76 |
| Its women's basketball team holds the consecutive victories record(abbr.) | 77 |
| IX ^ (I/II) ...is there a Roman numeral for one-half that I'm not aware of? | 79 |