| Interestingly folded sheet | 26 |
| Folding art | 11 |
| Folder's forte | 18 |
| Cube creator's technique | 28 |
| Creative paperwork | 18 |
| Craft paper | 11 |
| Construction involving a crane, often | 37 |
| Art requiring a folder | 22 |
| Art of folding paper | 20 |
| Art of folding | 14 |
| Art form that commonly depicts a swan | 37 |
| Activity in which mountains and valleys are created | 51 |
| Wellspring | 10 |
| Fountainhead | 12 |
| Line of descent | 15 |
| Where the X-axis meets the Y-axis | 33 |
| (0,0) on a graph | 16 |
| Word in a Darwin title | 22 |
| Where the x- and y-axes meet in math | 36 |
| Where the x and y axes meet | 27 |
| Where a Cartesian graph's axes meet | 39 |
| The point (0,0) | 15 |
| Provenance | 10 |
| Part of a Darwinian title | 25 |
| Intersection of the x and y axes | 32 |
| Graph spot | 10 |
| Darwin's "The __ of Species" | 42 |
| Darwin's "On the ___ of Species" | 46 |
| Crossing point of the x and y axes | 34 |
| (0,0), on a graph | 17 |
| Distinctive | 11 |
| Not a fake | 10 |
| Inventive | 9 |
| Copy source | 11 |
| Unchanged or novel | 18 |
| Type of sin | 11 |
| Something that gets copied | 26 |
| Request at KFC, perhaps | 23 |
| Request at KFC | 14 |
| Imaginative | 11 |
| Fresh and unusual | 17 |
| Fresh and new | 13 |
| Far from trite | 14 |
| Subject of an antique auto owner's quest | 44 |
| Restoration requirement, often | 30 |
| Darwin book title | 17 |
| Part of a Darwin title | 22 |
| Darwinian concern | 17 |
| Darwin work | 11 |
| Classic of 1859, with "The" | 37 |
| Classic Charles Darwin work | 27 |
| "Mourning Becomes Electra" role | 41 |
| "Little Shop of Horrors" dentist | 42 |
| "Mourning Becomes Electra" character | 46 |
| Online __ print | 15 |
| "Mourning Becomes Electra" brother | 44 |
| Wholly __ part | 14 |
| O'Neill protagonist | 23 |
| Former Starbucks CEO Smith | 26 |
| "Out __?" | 19 |
| "Mourning Becomes Electra" man | 40 |
| "In thunder, lightning ___ rain?": "Macbeth" | 64 |
| "Are you out __?" | 27 |
| "... thunder, lightning, __ rain?": "Macbeth" | 65 |
| "... now ___ the future" | 34 |
| " . . . in the heart ___ the head" | 44 |
| ''Little Shop of Horrors'' dentist | 50 |
| Gasket | 6 |
| Rubber gasket | 13 |
| Circular gasket | 15 |
| NASA gasket | 11 |
| Circular seal | 13 |
| Space shuttle gasket | 20 |
| Rocket gasket | 13 |
| Certain gasket | 14 |
| Round gasket | 12 |
| Letter-shaped bit of NASA equipment | 35 |
| Hoop-shaped gasket | 18 |
| Faulty Challenger part | 22 |
| Space shuttle part | 18 |
| Sealing gasket | 14 |
| Round sealing gasket | 20 |
| Problem part aboard the Challenger | 34 |
| Part that failed on the Challenger | 34 |
| Neoprene gasket | 15 |
| NASA problem part | 17 |
| Gasket type | 11 |
| Garden hose gasket | 18 |
| Challenger's problem part | 29 |
| Challenger problem part | 23 |
| Vital space-shuttle part | 24 |
| Toric gasket | 12 |
| Spacecraft gasket | 17 |
| Sealing gasket used by NASA | 27 |
| Part that failed on the space shuttle Challenger | 48 |
| Part of an airtight seal | 24 |
| NASA connector | 14 |
| Kind of gasket | 14 |
| Joint-sealing gasket | 20 |
| Gasket of a certain shape | 25 |