The Nightly Build.
Saturday, July 18, 202650 min read
the-paper

Flow Matching Trades the Score for a Velocity Field

Lipman and colleagues prove that regressing a network onto a closed-form conditional velocity field has the same gradient as the intractable objective it stands in for, which is how a state-of-the-art image generator gets trained with nothing harder than mean-squared error.

12 min read4 sources
rabbit-holes

A tardigrade survives drying by turning its cell to glass

Drying to a glassy fleck should be lethal, yet a tardigrade rebuilds the structural work its lost water was doing, setting its cytoplasm into a glass of its own disordered proteins where other dried life would use sugar, while a second protein sits astride the DNA.

11 min read12 sources
Current Affairs · Unbiased

Should College Athletes Be Employees of the Schools They Play For?

The House settlement handed athletes a share of the revenue while its own approval order declined to say whether they are employees, leaving a question that Johnson v. NCAA presses in court and the SCORE Act would foreclose by statute.

10 min read14 sources
the-field-guide

Carry the Baby to the Reptile House

The Bronx Zoo's cool, dim indoor houses are the right call for a newborn on a hot or stormy July day, and the real work is carrying the baby between them across 265 acres.

8 min read20 sources
the-world

Europe's top court backs Spain's amnesty for Catalan separatists

Carles Puigdemont can return to Spain, with the amnesty's limits left to the judges he fled.

5 min read16 sources
the-wire

A distillation method rewards the student only for what instruction-tuning added to the teacher

A new attack cut a world-action agent's task success from 96.5% to 43.1%, and Anthropic set a July 19 cliff that moves Fable 5 onto metered usage credits.

4 min read9 sources