Mutations in the gene that encodes a receptor called CCR5 can stop HIV (blue) entering immune cells. (Photo: Nature/NIAID/National Institutes of Health/SPL)
Russia's President Vladimir Putin (R) shakes hands with Syria's President Bashar al-Assad during their meeting at the Kremlin in Moscow on July 24, 2024. (Photo: Valery SHARIFULIN/ AFP)
Secretary of Defense Lloyd J. Austin III and Iraqi Defense Minister Muhammad al-Abbasi meet at the Pentagon, July 23, 2024. (Photo: US Department of Defense)
A passenger plane flies underneath dark clouds illuminated by some sun rays above Jeddah, Saudi Arabia, Friday, Aug. 19, 2022. (Photo: AP/Hassan Ammar)
US journalist Evan Gershkovich, accused of espionage, stands inside a glass defendants' cage during the verdict announcement at the Sverdlovsk Regional Court in Yekaterinburg on July 19, 2024. (Photo: Alexander NEMENOV/AFP)
