NY Times Crossword
September 3, 2017
Andrew Zhou
(Title shown below)

The following name and phrases share a very unusual quality. Can you determine what it is?

1. IMMANUEL KANT
2. INTERNET ROUTER
3. BOARDING OFFICER
4. INSTAGRAMMER
5. CORPORATE ELITE
6. GOODWILL AMBASSADOR

HINT (and revealer):
Strong physical attraction between the sexes

Answers:

HINT and revealer: Animal magnetism

Each phrase (remarkably) contains the connected names of two animals:  
(I have hyphenated the two names below to better distinguish them.)

1. immanuEL K-ANT 
2. intERNE-T ROUTer
3. BOAR-DING Officer
4. inSTAG-RAMmer
5. corpoRAT-E ELite
6. goodwilL AMB-ASSador 

Puzzle title: UNITED KINGDOM

Note from JA: The constructor's inspiration for this puzzle was the English physicist Stephen Hawking - stepHEN HAWKing.