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Artificial Intelligence 5 min read Aug 16

An AI Model Matched or Beat Doctors on Real ER Cases

In a study published in Science, OpenAI's o1-preview matched or beat internal medicine physicians on 76 real, unedited emergency room cases, with the biggest gap in its favor at initial triage, when the least information is available. The model wasn't tested against emergency medicine specialists, and this was a retrospective study, not a live trial.

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Warming Speed, Not Size, May Decide an Ocean Current's Fate

Climate Technology

Aug 14•5 min

Warming Speed, Not Size, May Decide an Ocean Current's Fate

A new climate-model study finds that the Atlantic Ocean's main overturning circulation collapsed at just 2°C of warming when CO2 rose quickly, but stayed stable past 5°C under slow warming. The result suggests there is no single temperature threshold for collapse, only a critical rate of change.

A Three-Drug Combination Cleared HIV in Baby Monkeys for a Year

Health

Aug 14•5 min

A Three-Drug Combination Cleared HIV in Baby Monkeys for a Year

A one-time combination of antiretroviral drugs, antibodies, and an experimental CCR5-blocking therapy left eight infant macaques with no detectable HIV a year after treatment stopped, when given within three days of infection. Researchers call the result unexpected and want to test it in people next, starting with newly exposed adults.