| 100% | COBWEB | 6 | Found in old and dusty places |
| 48% | HSBC | 4 | British banking giant founded in, and named after places in China: Abbr. |
| 47% | FUSEBOXES | 9 | Electrical panels found in older homes … or what 18-, 24-, 35- and 53-Across do (regarding each half of each answer)? |
| 47% | LIONSDEN | 8 | Hostile place ... and where to find the circled animals in this puzzle |
| 46% | TEST | 4 | ___ tube, container found in a lab that is usually finger-like and is placed on a rack |
| 46% | ABRAHAM | 7 | Father of Isaac and founder of the Hebrew people in the Old Testament |
| 45% | WOODLOUSE | 9 | Bug found in old timber |
| 45% | LEAD | 4 | Metal found in old paint |
| 45% | EDEN | 4 | Garden of —, Old Testament location in which Adam and Eve were placed at the Creation |
| 45% | ALPINE | 6 | Found in high places |
| 45% | WIDESPREAD | 10 | Found in many places |
| 44% | ASBESTOS | 8 | Dangerous fibers found in old building materials |
| 44% | COBWEBS | 7 | Spider byproducts often found in old houses |
| 44% | PHARAOH | 7 | — ant, small insect commonly found in kitchens and warm places |
| 42% | CORNERSTONE | 11 | Place to find a date ... and any one of four in this puzzle (circled letters are hints) |
| 42% | TOP | 3 | With 66-Across, place on a keyboard to find all the letters in 16-, 28-, 46- and 60-Across |
| 42% | CALCIUM | 7 | Found in milk and cheeses, helps bones grow |
| 41% | PROTON | 6 | Found in the nucleus and has a positive charge |
| 41% | RUSTYNAIL | 9 | Something found in an old board, maybe |
| 41% | KERATIN | 7 | Protein found in claws, hair and hooves |
| 41% | KERATIN | 7 | Protein found in nails, hair, and hoofs |
| 41% | CAFFEINE | 8 | Stimulant found in coffee, tea and cola |
| 41% | PROTEIN | 7 | Macronutrient found in lean meat and eggs |
| 41% | LIONS | 5 | Animals found in both mountains and seas? |
| 41% | ORANGUTAN | 9 | Primate found in Bornean, Sumatran and Tapanuli |
| 41% | PROTEINS | 8 | Nutrients found in meat, fish, and eggs |
| 41% | ARABY | 5 | Exotic locale in old literature and song |
| 41% | ETHS | 4 | Letters used in Old English and Icelandic |
| 41% | COLLAPSED | 9 | Old places crumbled and fell |
| 41% | INCA | 4 | In and around old empire |