| 100% | ECOL | 4 | Science that's the focus of Earth Day: Abbr. |
| 54% | ECOL | 4 | Branch of science that's the study of the environment: Abbr. |
| 50% | OIL | 3 | Fuel that's the focus of OPEC |
| 49% | TEA | 3 | Drink that's the focus of a Japanese ceremony |
| 48% | METAL | 5 | Music genre that's the focus of Decibel magazine |
| 47% | MON | 3 | Day of the week that Presidents' Day falls on: Abbr. |
| 47% | WED | 3 | Day of the week that was named for Odin: Abbr. |
| 46% | LEGO | 4 | Toy brand that's the focus of a chain of theme parks |
| 46% | COATOFMANYCOLORS | 16 | Biblical garment that's the focus of an Andrew Lloyd Webber musical |
| 46% | STPAT | 5 | Irish figure who's the focus of March 17, familiarly: 2 wds., abbr. |
| 45% | CHIMPANZEES | 11 | Animals that are the focus of 39-Across's work |
| 45% | TECTONICS | 9 | Science of the Earth’s crust |
| 44% | KNOLL | 5 | Grassy ___ (spot that's the focus of some JFK assassination conspiracy theories) |
| 44% | WMD | 3 | Big bombs that were a focus of the Iraq War: Abbr. |
| 44% | STARTREK | 8 | Franchise that’s the focus of the fan wiki Memory Alpha |
| 44% | NCAA | 4 | Group that's the subject of "bracketology": Abbr. |
| 44% | ESE | 3 | Compass direction that's the opposite of WNW: Abbr. |
| 44% | ATL | 3 | Ocean that's east of the US: Abbr. |
| 43% | ECOL | 4 | Earth Day science: Abbr. |
| 43% | IRANCONTRA | 10 | Scandal that’s the focus of Theodore Draper’s “A Very Thin Line” |
| 43% | THU | 3 | Thanksgiving's day of the week: Abbr. |
| 43% | GOVT | 4 | Focus of political science: Abbr. |
| 42% | HRS | 3 | Statistical category that's part of the 34-Across: Abbr. |
| 42% | PHONOLOGY | 9 | Speech sounds are the focus of this science |
| 42% | AFR | 3 | About 20% of the earth's land: Abbr. |
| 42% | ECOL | 4 | Science that studies the environment: Abbr. |
| 42% | RBIS | 4 | Second statistical category that's part of the 34-Across: Abbr. |
| 42% | NARC | 4 | Type of cop that's the subject of "Training Day" |
| 42% | SEX | 3 | Focus of the museum that has been at NYC's 233 Fifth Avenue since October 2002 |
| 41% | RENT | 4 | Payment that's often due on the first day of each month |