Peter travels to Harvard to have his brain monitored by Professor Alvaro Pascual-Leone.
Peter White has his brain scanned while reading Braille by Professor Alvaro Pascual-Leone.
Mani Djazmi presents Blindness for Beginners and looks at how to keep fit if you're blind.
Tom Pey tells Mani Djazmi about GDBA's agreement on the shared area in Exhibition Road.
Peter White talks to Richard Leaman, the new CEO of Guide Dogs for the Blind Association.
Mani Djazmi presents his newsdesk, nine-year-old Alexia Sloane talks about her interests.
Update on Thrive gardeners at Chelsea Flower Show and Ann Scroggie cooks for Richard Lane.
Leonie Watson and Ian Macrae review the Internet Archive and try to access audio books.
Research indicates that having the eye condition Retinoblastoma makes people cleverer.
Tributes to Torsten Brand and advice on voting rights.