From left, clockwise: The President of USA, Barack Obama and his national security team oversee the Operation Neptune Spear, led by members from SEAL Team Six who killed Osama bin Laden in Abbottabad, Pakistan in 2011; Egyptians celebrated the Hosni Mubarak resignation during the Arab Spring; Volunteer lifeguards from Proactiva Open Arms help Syrian and Iraqi refugees during 2015 migrant crisis; the Higgs Boson is detected by the Large Hadron Collider and later confirmed in 2013; increasing use of digital and mobile technologies; ISIS/ISIL perpetrates terrorist attacks and captures territory in Syria and Iraq.