Experts from Durham University have identified a new gene that could help the development of fertility treatments. The gene makes a protein that enables sperm to bind to an egg - a process essential to fertilisation.
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New Sunderland owner Stewart Donald hopes to appoint the club's new manager within hours.
Dan Sirrell, 21, died while on holiday with his friends in Amsterdam on Sunday. Friends set up a fundraising page to help his family.
Sunderland Football Club's Chief Executive has left the club, after a decision by the new owners to make the position of CEO redundant