ACROSS  1 Savory jelly

  6 Scored 100% on

 10 Smoothie berry

 14 Rent

 15 Sushi seaweed

 16 Totally confused

 17 Diagram of relative interest?

 19 Steeped beverages

 20 Equipment for blasting rock?

 21 ___ out (relax)

 22 Yogi who said "You can observe a lot by just watching"

 23 Fib

 24 A Hollywood breakup might lead to one

 27 ___ wheel (carnival ride)

 29 Chemist's Sn

 30 Yalie

 31 Pyromaniac's crime

 32 "Hold your horses!"

 34 First lady's garden?

 35 Exactly

 38 Baloney

 41 It wasn't built in a day

 42 File storage option

 46 Santa ___, California

 47 Title for Andy Murray or Edmund Hillary

 48 Words on a dirty windshield

 49 Comic newspaper?

 53 Beach bottle acronym

 54 Odometer units

 55 Snatch

 56 Way to memorize times tables

 57 Magical Norse god

 58 Young wedding participant, or a hint to the end of 17-, 24-, 35- or 49-Across

 61 Diagram variety with overlap

 62 Surface calculation

 63 White wading bird

 64 Uptight

 65 Coming right up

 66 Reject a proposal



DOWN

   1 Type of sprout in salads

  2 More sordid

  3 Fusses over

  4 Magical Egyptian goddess

  5 Toon frame

  6 Paid to play poker

  7 Welsh ___ (dog breed)

  8 Poetic alternative to "afore"

  9 Go kaput

 10 Take in or let out

 11 Arm-twisted

 12 Usually

 13 "That's a terrible thing to do!"

 18 French name pronounced "eve"

 22 Recycling container

 24 It abuts N.D. and S.D.

 25 Make amends

 26 Italian greeting

 28 Chess "castle"

 32 Fingerprint feature

 33 Haw's partner

 34 Snaky swimmers in the Sargasso Sea

 36 Voyage

 37 "Shoo!"

 38 "That wasn't a good idea"

 39 Without assistance

 40 Getting just right

 43 "My bad!"

 44 More than you can count

 45 Accept the decision of

 47 The "S" of GPS: Abbr.

 48 NASA telescope launched in 2021

 50 Singer Kravitz

 51 Architectural add-on

 52 Pester persistently

 56 Sitar music pattern

 58 Fled or bled

 59 Rage

 60 Many MIT grads who studied circuits

solution