🥶 Happy Friday, Oklahoma! Melting Thursday refroze overnight, so watch for patchy ice this morning, especially on secondary roads⚠️ ❄️ Another arctic blast arrives tonight, with cold advisories statewide. Today starts in the teens and warms into the mid-30s, but gusty north winds pick up. 🌬️ Friday night turns frigid with single-digit lows and wind chills below zero. Saturday stays cold with highs in the 20s. 🌤️ ☀️ Relief begins Sunday with 40s, and a bigger warm-up into the 50s and 60s arriv

This sped-up video illustrates the freezing and thawing process for hibernating wood frogs. When winter brings fall to a close, these frogs hunker down in dead leaves and moss that cover the ground, which serve as their shelter for the months ahead. As the cold sets in, frost creeps across the plant matter and reaches the immobile frogs, who then begin the process of releasing a cryoprotectant that keeps their bodies from drying out as they freeze. Making sure ice doesn’t form in their cells is