One San Francisco study measured both the cost and the benefit of rent control
Mainstream economists read San Francisco's 1994 expansion as evidence that a rent cap shrinks the housing stock, while housing scholars read the same records as evidence that it keeps vulnerable tenants in place.
GRPO drops PPO's critic and lets the group set the baseline
Deleting the value network turns the advantage from a learned prediction into a z-score over a sampled group, the swap that made RL post-training cheap enough to become the reasoning-model default.
The Election Market Won in Court. Now It Has to Win the Argument.
Kalshi's election contracts now trade uncapped after the CFTC dropped its fight, and whether that counts as progress turns on a mechanism Robin Hanson has been deriving since 1988.
Westchester's Mexican anchor is Port Chester, but the best food-and-value pick is a New Rochelle birria counter
With a young kid along in July, the booking is Coyote Flaco's screened patio in Port Chester, and the seafood course is a Peruvian ceviche counter the county's Mexican kitchens don't supply.
Two chemists built petrichor from rock and the fluid in the veins of the gods
Isabel Joy Bear and R. G. Thomas coined it in Nature in 1964 for an oil that plants leave in dry soil, years before the word came to carry a bacterial compound they never named.
An Iranian strike kills two US troops in Jordan as the war widens into an eighth night
The first US combat deaths since March anchor the day, and the loudest claims around them are still only one government's word.
China answers the chip curbs by lashing 8,192 NPUs into one node
The same WAIC that staged China's compute answer seated a 29-nation AI-governance bloc under Beijing, while a benchmark of paid freelance work put the frontier at one project in six, more than quadruple its October mark.