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Frozen cyanobacteria blooms are rarely documented, but that may be changing. Credit: Petr Znachor Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent six days a week. In the Czech Republic, a frozen lake’s emerald green ice is giving biologists an unprecedented opportunity to study a strange—and…

January 29, 2026 3 min read Add Us On Google Add SciAm These polar bears appear to be maintaining their physical health despite the loss of sea ice—their preferred hunting grounds By Jackie Flynn Mogensen edited by Claire Cameron A sedated polar bear lies on the ice with its cub…

Summary of food supply chain shock protections Companies reduce risk by diversifying sourcing across multiple safer global markets Businesses strengthen resilience by building broader supplier networks for key ingredients Additional inventories provide backup options during conflicts or climate disruptions Policy advocacy supports free‑trade agreements that enhance long‑term supply stability Firms…