SciTube

Sponsored impressions seen in this channel · EUR cabinet

Flags — countries where our network of observers on Telegram recorded this ad being shown in this channel. It's not the advertiser's targeting country: Telegram serves sponsored ads worldwide, and we simply note where the ad appeared in the feed. The channel's main country (by its language) is highlighted in blue; rare placements (under 5%) are collapsed into “+N”.

• Cogni — Daily Brain Training

  How fast is your brain? A 2-minute test checks arithmetic, memory and attention. No sign-up — right inside Telegram.

  View Bot
  ×112026-07-13 → 2026-07-14
• Cogni — Daily Brain Training

  8 × 7 = ? If the answer didn't come instantly, the brain could use a warm-up. 5 minutes a day for arithmetic, memory and attention. Free, in Telegram.