MADRID, SPAIN - NOVEMBER 20: Queen Letizia of Spain visits the Molecular Biology Center "Severo Ochoa" at the Autonoma University on November 20, 2015 in Madrid, Spain. (Photo by Carlos Alvarez/Getty Images)
MADRID, SPAIN - NOVEMBER 20: Queen Letizia of Spain visits the Molecular Biology Center "Severo Ochoa" at the Autonoma University on November 20, 2015 in Madrid, Spain. (Photo by Carlos Alvarez/Getty Images)