Add punctuation: Two areas of number theory which received particular attention from Knapowski were the distribution of primes in different residue classes modulo k and the sign changes in the remainder term in the prime number formula
A: Two areas of number theory which received particular attention from Knapowski were the distribution of primes in different residue classes modulo k, and the sign changes in the remainder term in the prime number formula.

Add punctuation: If you cant remember your IP at any time or get dynamic IPs make an dyndnsaccount to save you trouble
A: If you can't remember your IP at any time or get dynamic IPs, make an dyndns-account to save you trouble.

Add punctuation: It certainly makes a big difference in my head to understand epigenetics and feel a bit more in controlKeith London UK
A:
It certainly makes a big difference in my head to understand epigenetics and feel a bit more in controlKeith, London, UK