Research-backed, actionable articles on AI at work, endurance training and how people learn. Every claim has a source.
A prototype saved 4% of running energy in the lab, and elite marathon times got 1.0% faster. Seven studies on carbon-plated shoes, and a way to test your own pair.
Read the article →Thirteen percent of Boston Marathon finishers ended low on sodium, and 93.9% of ultrarunners took salt pills anyway. Ten studies, and a way to set your own rate.
Read the article →Ten easy days at 40°C lifted time-trial work 8% in the heat and plasma volume 6.5%. The evidence, the sauna and bath alternatives, and the block I run.
Read the article →Performance kept sliding for 14 nights while the feeling of sleepiness leveled off. Eight studies on sleep debt, banked sleep and which end of the night to cut.
Read the article →Ten studies on caffeine and endurance: the dose that moves a time trial, why your daily coffee habit does not blunt it, and the 45 minutes of sleep it costs.
Read the article →Marathon runners take in 22 g of carbohydrate an hour against 60 to 90 g of evidence-based advice. Seven studies on fueling rates, gut training and the real ceiling.
Read the article →Elite endurance athletes do 80% of their training at low intensity. Three studies explain why polarized training beats the comfortable middle, with a weekly protocol.
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