AI in the ER, portable MRIs game changer, YouTube AI dangerous to toddlers, and more

Being told you need an MRI scan has long meant long waits, sometimes long journeys to get one. But, cheaper portable versions are now showing up in more remote parts of Canada and are being shared and used in new ways that deal with the old problems.Also: Emergency room doctors are testing out AI doctors — powerful diagnostic AI models that can quickly assess the sick and injured in a crisis. The tech can read symptoms and suggest treatment. So far it’s scoring well compared to human physicians.And: There’s a flood of cheaply made videos on YouTube churned out by AI and aimed at toddlers. But closer looks find many spew nonsense and show things it would be dangerous for kids to try.Plus: Renewable energy is now plentiful enough to offset fossil fuels trapped in the Gulf, a fitness fad that combines dance floors and saunas, “prediction markets” spread claiming they’re not just online betting, and more.