Axios

The pipeline for Ph.D.s out of U.S. universities is shrinking at an unprecedented rate: Spots are disappearing, interest is fading and other countries are eager to fill the void.

Why it matters: America graduates more Ph.D.s than any other country. They go on to invent things, cure diseases and win Nobel Prizes.

The hottest number in tech these days is 996: Working from 9 a.m. to 9 p.m., six days a week.

• The 72-hour work week, popularized in China — is gaining steam as companies compete for AI dominance.

Why it matters: AI may be coming for our jobs, but in the meantime its pushing human workers in Silicon Valley into overdrive.

U.S. companies are up against a ticking time bomb: Thanks to AI, hackers are on the verge of launching fully automated cyberattacks that can move faster, smarter and more personally than ever.

Why it matters: Those attacks could halt production at factories, knock hospitals offline or control power grids — all before anyone even realizes something's wrong.

The sports equinox, a day when games across the four major sports — the NFL, NBA, MLB and NHL — are scheduled, marks the start of the busiest season of the year for gambling.

Why it matters: Casinos are cashing in as more states legalize sports betting.