ArarepaintingbyRenaissancemasterLeonardodaVinciofChristholdingacrystalorbhassoldforarecord450millionUSdollarsataNewYorkauction.Thepainting,knownas“SalvatorMundi
WhatistheonlyDaVincipaintingontheopenmarketworth?ARussianbillionairebelieveshewasswindledwhenheboughtitfor127.5millionUSdollars.Thisweekhe’llfindoutifhewasright
Thismonth,ChongqingXinqiaoHospitalhassuccessfullyconductedarectalcancersurgeryusingthedaVincisurgicalsystem,thefirstsuchpracticeinChina.ApprovedintheUnitedState
HIVispassedonthroughbodilyfluidslikeblood,whichcanmakeitdangerousforsurgeonstocarryoutoperationsoninfectedpatients.Tocopewiththisdifficulty,TheGeneralHospitalof