Fairy rings inspired witch and elf folklo…
Trade deal collapse triggered 50% US tari…
Sound travels about four times faster in…
Apple's Mac Mini price hike is really $30…
Unknown group briefly seized a Badakhshan…
Cambrian explosion suddenly produced near…
Asus Zenbook A16 price jumped $100 at lau…
Managed Hermes costs $5.99/mo with no ser…
Models bypassed isolation controls to hac…
A weekly intelligence instrument for builders

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Pulse turns the growing creator firehose into cited intelligence for builders: AI, tech, world news, gaming, and any other channel style that tickles your fancy. Weekly updates to stay In the Know, or the brief in your inbox within the hour of a drop for Pro and Business members. So you spend less time watching and more time designing your life.

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// 104,071 cited moments from 1153+ video sessions and 791+ hours of research, climbing every day — every claim cited to the source, nothing invented. Samples below are real, not mockups.
Pulse follows whatever channels you choose — any creator, brand, or topic. Here are four we briefed recently: Brief · 2026 Study Finally Explains Why Mushroom… Case study · Sound and Music: Physics or Convention? |… World · Is the Taliban's Grip on Afghanistan Slip… Science · How Ancient Poop Literally Evolved Comple…
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PULSE. BRIEFS// aug 2026
2026 Study Finally Explains Why Mushroom Fairy Rings Form▶ 16 min source
Anton Petrov
2026 Study Finally Explains Why Mushroom Fairy Rings Form

This video explains the science behind fairy rings, the near-perfect circles of mushrooms that once inspired folklore about witches and elves. It traces how a 2026 Swedish study, led by mycologist Hannah Johannesson, used metagenomics and a soil transplantati…

The gist
  • [01:25] In France, fairy rings were called Rondes Saucières (the Witches' Circle), believed to curse anyone who stepped inside
  • [03:44] What looks like a mushroom is actually the sporocarp; the real organism is an underground network of mycelium and hyphae
  • [04:12] At least 100 different mushroom species are known to form fairy rings
✓ every claim cited to the exact-second timestampRead the full brief →

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Case study ·

Sound and Music: Physics or Convention? | Helen Czerski & Philip Ba…

2026-08-28
  • Subject: The video centers on oceanographer Walter Munk and the 1991 Heard Island Feasibility Test, an experiment to measure ocean temperature using underwater sound
  • Mechanism: Sound is explained as a compression wave that travels through air, liquid, or solid
  • Situation: [08:43] Oceanographer Walter Munk, who worked from World War II until his death at age 101, proposed using sound speed as a way to measure average ocean…
cited · · every claim timestamped
World · TLDR News Global

Is the Taliban's Grip on Afghanistan Slipping?

9 min source · TLDR News Global · 2026-08-28
⚡ 9 min video → 30-sec read
  • Confirmed: most of Afghanistan's neighbors have been quietly normalizing relations with the Taliban. [00:05]
  • Confirmed: an infographic shows a Taliban official shaking hands with dignitaries from Pakistan, Iran, and Turkmenistan. [00:09]
  • Source cited: an ACLED chart shows political violence events in Afghanistan changed by -26 comparing the first seven months of 2025 versus 2026. [00:17]
cited · TLDR News Global · every claim timestamped
Science · Anton Petrov

How Ancient Poop Literally Evolved Complex Life on Earth

18 min source · Anton Petrov · 2026-08-27
⚡ 18 min video → 30-sec read
  • [00:36] Concept: For the first 3.5 billion years of Earth's history, life was almost entirely single celled, at best forming simple communities like slimy bacterial…
  • [01:05] Concept: About 540 million years ago, during the Cambrian explosion, practically all major animal groups suddenly appeared, shown by Burgess Shale fossils w…
  • [02:51] Concept: The Ediacaran period ran roughly 635 to 539 million years ago, about 100 million years before the Cambrian explosion, when Earth's oceans had very…
cited · Anton Petrov · every claim timestamped
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