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
Call Yourself By Name Before You Speak
Eighty nine students had five minutes to prepare a speech for a panel they were told would judge them. The ones who coached themselves by name came out in better shape, and blind coders scored their speeches higher.
Read issue ↗Thirty Six Pairs Of Twins And A Spoon Of Fiber
One twin stirred plant fiber into her drink each morning. The other got a dummy powder. Twelve weeks later their memory scores had parted, and the muscle test the trial was built for had not budged.
Read issue ↗Two Currents That Cross Inside The Skull
✦ New Frontier Of Your Mind ✦ Nobody opened his skull. Four soft pads sat on his scalp. Two ran at 2,000 cycles
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.