Add spaces: RentacarinPatraswitha70%discount-CarsScanner

Answer: Rent a car in Patras with a 70% discount - Cars Scanner

Add spaces: Quercetinasadual-specificactivatorofmTORandthePI3K/Aktsignalingpathway,November2013Newsletter,p.13-15

Answer: Quercetin as a dual-specific activator of mTOR and the PI3K/Akt signaling pathway, November 2013 Newsletter, p. 13-15

Add spaces: PiazzadelPopolowasthenortherncitygateofRome,towhereallpostwaggonsarrivedfromnorth.

Answer:
Piazza del Popolo was the northern citygate of Rome, to where all post waggons arrived from north.