[by Emma Pewsey (University of Cambridge, UK)]{style=“font-family: "arial";”} [Winner of Access to Understanding 2013]{style=“font-family: "arial";”} [X-rays can now be used not only to show where bones have fractured, but also to investigate why these bones break in the first place.

[By Claire Sand (King’s College London, UK)]{style=“font-family: "helvetica neue" , "arial" , "helvetica" , sans-serif;”} [Awarded joint 2nd prize for Access to Understanding 2013]{style=“font-family: "helvetica neue" , "arial" , "helvetica" , sans-serif;”} [For years scientists have attempted to harness the potential of stem cells for repairing damaged blood vessels.

[By Ian Le Guillou (University of Cambridge, UK)]{style=“font-family: "helvetica neue" , "arial" , "helvetica" , sans-serif;”} [Awarded joint 2nd prize for Access to Understanding 2013]{style=“font-family: "helvetica neue" , "arial" , "helvetica" , sans-serif;”} [[A mutation that allows cells to grow out of control could also provide a new way to target and destroy cancer cells.

[by Nina Rzechorzek (University of Edinburgh, UK)]{style=“font-family: "helvetica neue" , "arial" , "helvetica" , sans-serif;”} [Short-listed for Access to Understanding 2013]{style=“font-family: "helvetica neue" , "arial" , "helvetica" , sans-serif;”} []{style=“font-family: "helvetica neue" , "arial" , "helvetica" , sans-serif;”} [ [How do nerve cells die?]{style=“font-family: "helvetica neue" , "arial" , "helvetica" ,

[by Gr[[[á]{style=“font-family: "helvetica neue" , "arial" , "helvetica" , sans-serif;”}]{style=“color: black; font-family: "calibri" , "sans-serif"; font-size: 11pt;

[by Robert Hoskin (]{style=“font-family: "helvetica neue" , "arial" , "helvetica" , sans-serif;”}[University of Sheffield, UK)]{style=“font-family: "helvetica neue" , "arial" , "helvetica" , sans-serif;”} [Short-listed for Access to Understanding 2013]{style=“font-family: "arial";”} [To what extent do biological and environmental factors influence how an organism develops?

[By [Katarzyna Makowska]{style=“color: black; mso-ascii-font-family: Calibri; mso-bidi-font-family: "Times New Roman"; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-GB; mso-hansi-font-family: Calibri;”}]{style=“font-family: "helvetica neue" , "arial" , "helvetica" , sans-serif;”}[[ (University of Leeds, UK)]{style=“font-family: "helvetica neue" , "arial" , "helvetica" , sans-serif;”}]{style=“color: black;

[By [David Daversa (]{style=“color: black; mso-ascii-font-family: Calibri; mso-bidi-font-family: "Times New Roman"; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-GB; mso-hansi-font-family: Calibri;”}[Institute of Zoology, University of Cambridge, UK)]{style=“color: black; mso-ascii-font-family: Calibri; mso-bidi-font-family: "Times New Roman"; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-GB;

[[By Luisa Robbez-Masson (Barts Cancer Institute, Queen Mary University, London, UK)]{style=“font-family: "helvetica neue" , "arial" , "helvetica" , sans-serif; font-size: small;”}]{style=“font-size: 11pt; line-height: 115%; mso-ansi-language: EN-GB; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: "Times New Roman"; mso-bidi-language: AR-SA; mso-bidi-theme-font: minor-bidi; mso-fareast-font-family: Calibri; mso-fareast-language: EN-US;

[ [This post is by our guest, Dr]{style=“font-family: "helvetica neue" , "arial" , "helvetica" , sans-serif;”}[[ Stephen Pinfield, a Senior Lecturer in the Information School at the University of Sheffield.

[To start, I should say that all at Europe PMC support Open Access. This is just a short list of some issues that can be frustrating…]{style=“font-family: "helvetica neue" , "arial" , "helvetica" , sans-serif;”} [1.[    ]{style=“font-size-adjust: none; font-stretch: normal;