Sea vessel we all live in, according to a 1966 song by The Beatles
20A
Recorded, in a way
21A
Me-day destination
22A
Brewery oven
23A
Flat-topped landform
25A
Put on a display
27A
Moral ambiguity
35A
Twelve, in ancient Rome
36A
2006 Time Person of the Year
37A
"Mork & Mindy" people
38A
Extreme
41A
Green prefix
43A
Corrosive compounds
44A
Store-to-consumer business
46A
Network with eye as its logo
48A
The Heat, on NBA scoreboards
49A
Ivy League school whose mascot is a bear, fittingly
53A
"I didn't need to know that!"
54A
Still vying
55A
Like talc, on the Mohs Scale
59A
Royal pain?
61A
Physicist Fermi
65A
Multi-sports event that kicked off its opening ceremony on July 26, 2024 in Paris, France, whose medals resemble the colors seen in the circled squares
68A
Airplane seat choice
69A
It covers roughly 8% of Earth's surface
70A
"___ asking?"
71A
Be idle
72A
Berlin denial
73A
Average
Down
1D
Common burger condiment, for short
2D
Like the smallest prime number
3D
Slant
4D
Deli meat order
5D
"In a manner of speaking..."
6D
U.S. soldiers
7D
Australian flightless birds
8D
Not up to standard
9D
Color TV pioneer
10D
Capital of Spain...and France
11D
Opera highlight
12D
Clamors
13D
Throw out, in modern parlance
18D
Oil cartel grp.
19D
"The Las Vegas of the East" (alternate spelling)
24D
Sunscreen additive
26D
Supermodel Banks of "America's Next Top Model"
27D
Long-distance commuter's home, maybe
28D
Flooring specialist
29D
Swing towards, as a baseball
30D
Italian fashion giant
31D
Dog breeders' org.
32D
"The Evil Dead" director Sam
33D
Call the whole thing off
34D
Test the purity of, as an ore
39D
Uncooked
40D
Common slang contraction
42D
"Duh!" in text-speak
45D
Like some gravy sauce
47D
Related to a group of indigenous Iroquoian-speaking people of the Great Lakes region