Besides the 25 things on Popular Mechanics'
list of "25 Skills Every Man Should Know" (below), someone has already added "cook and care for a loved one." Perhaps the PM editors believe it more of a female trait, but I would add "maintain authentic relationships with others." Leaving aside the gender-exclusive nature of the list, what skills should human beings possess in the 21st century?
Their list:
1. Patch a radiator hose
2. Protect your computer
3. Rescue a boater who as capsized
4. Frame a wall
5. Retouch digital photos
6. Back up a trailer
7. Build a campfire
8. Fix a dead outlet
9. Navigate with a map and compass
10. Use a torque wrench
11. Sharpen a knife
12. Perform CPR
13. Fillet a fish
14. Maneuver a car out of a skid
15. Get a car unstuck
16. Back up data
17. Paint a room
18. Mix concrete
19. Clean a bolt-action rifle
20. Change oil and filter
21. Hook up an HDTV
22. Bleed brakes
23. Paddle a canoe
24. Fix a bike flat
25. Extend your wireless network