Yoshinori Ohsumi, a 71-year-old Japanese scientist and professor at the Tokyo Institute of Technology, won the Nobel Prize in medicine last week. Ohsumi was recognized for groundbreaking experiments in the 1990s dealing with autophagy, the "self-eating" process that lets a cell break down and recycle some of its contents, which rapidly provides fuel and building blocks. Breakdowns in the autophagy process have been linked to a number of grave diseases, including Parkinson's, diabetes and cancer.
In other images from the Asia-Pacific region last week, in just 100 days in office, Philippine President Duterte has stirred a hornet's nest by picking a fight with Barack Obama, the United Nations, the European Union and others who have criticized his brutal crackdown against drugs, which has left more than 3,600 people dead. Duterte also has pushed back his country's 65-year treaty alliance with the United States, while reaching out to China and Russia.
Indian forces fired shotgun pellets and tear gas as thousands of people carried the body of Junaid Ahmed, a 12-year-old boy killed during an anti-India protest in the main city of the Indian-controlled portion of Kashmir. The boy was critically injured after he was hit by shotgun pellets all over his body. He died later at a hospital.
Red Bull driver Daniel Ricciardo of Australia won the Malaysian Formula One Grand Prix at the Sepang International Circuit in Sepang, Malaysia. It was Ricciardo's first victory since the 2014 Belgian Grand Prix, leading a one-two finish with his teenage teammate Max Verstappen.
This gallery was curated by Associated Press photo editor Shuji Kajiyama in Tokyo.