The Nightly Build.
Sunday, August 9, 202642 min read
Daily Reading · Paper of the Day

Two fixes turned a diverging network into a 49-game Atari player

Mnih and colleagues stabilized deep Q-learning with experience replay and a frozen target network, and the reproducibility work that followed left the honest 29-of-49 result standing while exposing how much the aggregate “human-level” label was hiding.

13 min read8 sources
Parenting · Parenting Research

The daycare research settles the infection months and little else

The well-known finding that early daycare guards against later asthma does not survive the cohorts large enough to test it, and what stays firm is a two-year run of extra colds and ear infections.

10 min read9 sources
Investing · Investing Course

Every valuation multiple hides a discounted cash flow

Coca-Cola earns 41 cents on every equity dollar to Verizon's 16, the kind of gap that justifies one business trading at twice the multiple of the other.

9 min read6 sources
Daily Reading · Tech News

Superconductivity in graphene holds past the field that should end it

MIT physicist Long Ju and collaborators measured three superconducting states in pentalayer graphene that survive an in-plane field of up to about 8.5 tesla, tens of times the strength that usually breaks a superconductor.

4 min read8 sources
Daily Reading · Current Events

Senate confirms Todd Blanche attorney general by one vote

Trump's former personal criminal-defense lawyer takes over the Justice Department, his last votes secured by a written pledge to rescind the $1.8 billion fund several senators had set as their price.

3 min read8 sources
Daily Reading · Word of the Day

Gould borrowed ‘spandrel’ from the architects, who said he had it wrong

The tapering triangles under the dome of San Marco gave biology its word for a trait that selection never built.

3 min read6 sources