Govt signs AirtelTigo ownership transfer agreement
Ghana Government and the parent companies of AirtelTigo, Bharti Airtel…
Human cells grown in monkey embryos spark ethical debate
By Helen Briggs, BBC Science correspondent IMAGE COPYRIGHT WEIZHI JI/KUNMING…
‘Whitest ever’ paint reflects 98% of sunlight
By Victoria Gill, Science correspondent, BBC News IMAGE COPYRIGHTPURDUE image…