Nature, Published online: 24 February 2026; doi:10.1038/d41586-026-00517-9
This has been a strong start to 2026 for the game in England, evidenced last week by Hull KR’s triumph over Brisbane Broncos in the World Club Challenge. It is handy for Super League that the Robins are one of two clubs in Vegas representing the competition this week and they have even flown the trophy over to hammer home the point that Super League holds the cards when it comes to the best club side in the game.
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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.
The FTSE 100 index of blue-chip shares has extended its run of record, rising over the 10,900-point mark for the first time to reach 10,914 points.