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Growing up in Seychelles, a small island developing state with vast ocean territory and a deep reliance on marine ecosystems, Jeremy Raguain developed a strong passion for ocean conservation. Since graduating from Columbia University’s Master of Public Administration in Environmental Science and Policy (MPA-ESP) program in May 2024, he has taken on a critical role at the International Union for Conservation of Nature Eastern and Southern Africa Regional Office. His work focuses on accelerating the ratification and implementation of the Biodiversity Beyond National Jurisdiction (BBNJ) agreement, an international agreement that seeks to ensure the sustainable use and conservation of marine biodiversity in areas beyond national jurisdiction. In this interview, Raguain shares insights o...

PACE, a light-based computer chip made by LightelligenceLightelligence Computers that use light rather than electricity to represent and manipulate data could slash the power demands of data centres and simultaneously speed up calculations. Two studies published today describe breakthroughs in running real-world problems on light-based computers, making the technology on the verge of commercial application, say researchers. Electronic computers, like those we all use today, historically followed Moore’s Law: the power of machines doubled every two years. But in recent years, progress has slowed as the miniaturisation of transistors hit fundamental physical limits. Researchers are working on numerous potential solutions, including quantum computing and photonic com...