Flames de colors. Programa Kopèrnik 43.

Picked video by video from Reacciona Explota (mixed channel): title plainly names a teaching subject. Channel transcript sample: All three sampled videos lack transcripts, so no direct substance could be verified, but titles and descriptions align with the channel's established pattern of science outreach/explainer content with some promotional/hype framing.

A 5-minute video from Reacciona Explota: “Flames de colors. Programa Kopèrnik 43.”.

Video by Reacciona Explota, played through YouTube's embedded player.