Add punctuation: Using magnetoencephalography adults brains were found to react differently to babies as quickly as 100200 milliseconds after hearing the sound
A: Using magnetoencephalography adults' brains were found to react differently to babies as quickly as 100-200 milliseconds after hearing the sound.

Add punctuation: Use about dl batter for each finished waffle
A: Use about dl. batter for each finished waffle.

Add punctuation: There was so much going on in BCC these past few weeks it was impossible to choose only 10
A:
There was so much going on in BCC these past few weeks, it was impossible to choose only 10 ...