Daily look at Iran's late-breaking news and upcoming events:   Iran pays off all its debts to World Bank Iran has already paid off all its debts to World Bank, Deputy Minister of Economic Affairs and Finance Behrouz Alishiri said on Saturday.   Senior lawmaker: Iran not to dismantle or even negotiate on ballistic missiles Tehran has ...

Tehran, May 3, IRNA - Iranian researchers have developed sol-gel-derived multi-wall carbon nanotube/hydroxyapatite nanocomposite powders for bone substitution. Carbon nanotubes have shown great potential for biological applications, including tissue engineering and mimicking the structure and properties of human bones. According to Tabassom Houshmand,...