Daily Recap: Science — 30 July 2026

Science today spans immediate disaster, deep history, and a warming planet’s mounting strain. In southwestern Japan, hopes of finding more survivors after the Kumamoto earthquake are fading as rescue efforts slow, the death toll rises past 20, and thousands remain in evacuation centers. New genetic evidence from Inca-era mummies in Chile, meanwhile, offers the clearest molecular proof yet that smallpox arrived in the Americas with ევროპean colonization, sharpening our understanding of one of history’s most devastating disease transfers. Climate signals are also unmistakable: scientists warn that hotter Mediterranean waters are helping hundreds of invasive species gain a foothold, threatening biodiversity and fisheries, while across the UK, drought in Wales, heat, and wildfire risk underscore the real-time consequences of extreme dryness. Even the science of self-optimization is under scrutiny, as longevity entrepreneur Bryan Johnson publicly wonders whether his anti-aging experiment has gone too far.

Top Science stories

• Ancient Inca mummy DNA links smallpox introduction in the Americas to Europe (6 sources)
• Death toll rises as rescue efforts slow after southwestern Japan earthquake (6 sources)
• Warming Mediterranean waters attract hundreds of invasive species, scientists warn (5 sources)
• Bryan Johnson Questions Whether His Longevity Experiment Went Too Far (5 sources)
• Australian music journalist and broadcaster Glenn A. Baker dies aged 74 (5 sources)
• 25 cats rescued from quake-damaged Aeon Mall after explosion (4 sources)
• Albanese seeks to set rules on renewables for large data centres as states resist (3 sources)
• NRL star’s cousin appears in court after police raid over alleged drug deal and kidnapping (3 sources)

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