phys_org How poison frogs built a chemical weapons system one evolutionary step at a time mforghan April 18, 2026 Poison frogs are small and brightly colored amphibians that originate from Central and South America. As suggested by their name, these frogs can release highly toxic chemicals from their skin, which deter and neutralize predators. Post navigation Previous: Q&A: How research aims to improve bad housing dataNext: Zirconia thin films unlock new reversible nonpolar-to-polar mechanism Related Stories phys_org HydroGraphNet boosts watershed predictions of daily flow and nitrogen in sparse data regions mforghan April 19, 2026 phys_org How to feed your garden birds without spreading disease mforghan April 19, 2026 phys_org Salty drinking water could be increasing your blood pressure. People living in coastal areas are most at risk mforghan April 18, 2026