Human performance / Mon Wed Fri
Where mind meets muscle
Three reads a week on what the human brain and body can do next. Frontier science up top, and one thing you can put to work at the bottom.
- Free to read
- 4 minute issues
- Sources on every number
// The Filter
Mon / Wed / Fri
Since 2026
Since 2026
Human performance science runs fast, and most of it does not hold up. Sorting the gold from the junk is a full-time job, so Dex made it his. No hype. No nine-person studies dressed up as breakthroughs. Every claim checked against the original data before it reaches you.
desks read yearly $20k+
every number 1 link
on Dex first 100%
// Two Lanes
Your brain one week, your body the next
The dispatch rotates between two lanes across the week. Both land in the same inbox.
SuperMind
Memory that holds. Focus that lasts an afternoon. Learning speed you can measure.
- Memory
- Focus and flow
- Learning speed
- Neuroplasticity
- Brain-computer interfaces
- Sleep and recall
- Meditation
- Nootropics
SuperBody
Strength past sixty. Sleep that repairs. A heart with room to spare.
- Age reversal
- Muscle growth
- Cold exposure
- Sleep architecture
- VO2 max
- Bone density
- Mitochondria
- Pain tolerance
// Three A Week
Every issue is short, and every issue pays off
Monday opens with the frontier. Wednesday and Friday rotate through the other four.
Frontier
Three breakthroughs in one sitting, straight from the labs building them.
Deep Dive
One topic end to end, from the frontier to the thing on the shelf.
Hack
A single technique, numbered steps, and the study standing behind it.
Myth Buster
A popular claim put against the trial data. Verdict at the end.
Community
Reader questions answered, plus how the week voted.
The Archive
Every past issue, free to read. Pick any day and read it cold.
Every issue reads in about four minutes
Browse the archive ↗
// Latest Issues
Fresh off the desk
The Flavanol Gap, And Whether You Have One
In one small trial the lead scientist said a 60-year-old memory came to test like a 40-year-old. Then a trial almost a hundred times bigger found the gain only in people who were short to begin with.
Read issue ↗Three Labs Working The Latch On Learning
A drug that reopens a learning window, a nerve paired with practice, and a beam of sound aimed through the skull. Plus the free trick that beat rereading by 21 points.
Read issue ↗Ten Minutes Of Warm Water, Ninety Minutes Before Bed
Thirteen trials pooled into one answer: a warm bath at the right hour shortens the wait for sleep by about ten minutes. The reason is a thermostat under your skin.
Read issue ↗
// Join The Frontier
Three dispatches a week. Mind and muscle.
Free to read. The frontier sits up top, the move you can make sits right below it.
No cost. Leave with one click.