Please capitalize where necessary: the devil feeds us lies, the world distributes them, and our hearts eat them up.
A: The devil feeds us lies, the world distributes them, and our hearts eat them up.
Q: 1: fix flash grenades so the blinding effect lasts longer.

A: 1: Fix flash grenades so the blinding effect lasts longer.
Q: about myself: i am very frendly girl and i would like to meet very nice people here if you want to know in advance what turns me off: rude people
A: About myself: I am very frendly girl and i would like to meet very nice people here If you want to know in advance what turns me off: rude people
Problem: there are, of course, many hundreds of ordinary facial freckles for every one that is potentially malignant.
Can you repeat this sentence, but capitalize it?
Answer: There are, of course, many hundreds of ordinary facial freckles for every one that is potentially malignant.
Text: i [efr] had the privilege of attending these lectures which were extremely successful in meeting nash-williams' aim:

Correct capitalization: I [EFR] had the privilege of attending these lectures which were extremely successful in meeting Nash-Williams' aim:
Please capitalize where necessary: the average life expectancy of an aortic valve bioprostheses is 10 to 15 years. bioprostheses rapidly calcify, degenerate and narrow in young patients.
A:
The average life expectancy of an aortic valve bioprostheses is 10 to 15 years. Bioprostheses rapidly calcify, degenerate and narrow in young patients.