By WWII, scientists had already begun looking at alternative gelling substances for routine use in bacteriology, but concluded that agar was still better as it is both firmer and easier to handle. Today, some specialized microbiology applications use the colloid carrageenan (extracted from red seaweed Chondrus crispus, or “Irish Moss”), a more transparent and less auto-fluorescent alternative to agar (agar emits its own background fluorescence when excited by light). However, for routine bacteriological use, carrageenan is more difficult to dissolve, requires higher concentrations, can degrade at high temperatures, and forms weaker gels, which may result in puncturing its surface during the plating of cells.
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Super Bowl LX was a two-score game with less than five minutes remaining. New England had the ball on the Seahawks’ 44-yard line and – after reaching the end zone in the fourth quarter, finally – that familiar sense of possibility. But that quickly vaporized when Devon Witherspoon knifed in on a corner blitz and jarred the ball loose from the Patriots quarterback, Drake Maye, mid-throw. Uchenna Nwosu snatched it in stride and rumbled 45 yards to the end zone, sealing Seattle’s 29‑13 victory.
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