Hi Kali - I'm glad to hear things are going so well for you.
We have a set of funded studentships going at the OU - but I think that even the scientific ones are quite far outside your field. Nothing in physics, I'm afraid.
Big data and open learning
Citizen observatories and the environment
Digital technology and education futures
Educator roles in open online courses
Human wellbeing, open education and technology
Impact of Open Educational Resources
Investigating Children’s Use of Open Digital Narratives
Mobile Literacies for Effective Open Learning
Rethinking student feedback in an open world
Social networking in language learning and teaching
Surveillance, Privacy and Learning Analytics
The role of open practices in enhancing teacher education in LICs
Understandings of Cultural Openness in Education and Enterprise
http://www.open.ac.uk/creet/main/news/leverhulme-doctoral-scholarships