Can hunger be eradicated by 2030?

World hunger is growing at an alarming rate, with prolonged conflicts, climate change, and COVID-19 exacerbating the problem. In 2022, the World Food Programme helped a record 158 million people. On this trajectory, the United ...

Photon upconversion: Steering light with supercritical coupling

National University of Singapore researchers and their collaborators have unveiled a novel concept termed "supercritical coupling" that enables a several-fold increase in photon upconversion efficiency. This discovery not ...

Science in times of crisis: Lessons from Fukushima and WWII

Collective memory is one way to ensure that past mistakes in the evolution of science systems are not repeated after a crisis, disaster or conflict according to a University of Tokyo historian who has contributed to the International ...

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