In this episode of Science Quickly, we cover the record release of global emergency oil reserves amid escalating conflict, a breakdown of why nuclear experts say Iran was not close to building a nuclear weapon, new research that shows how climate change is increasing both the likelihood and size of severe hail and a study that reveals how aging gut microbiomes may impair cognitive function through the gut-brain connection.

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War in Iran triggers an unprecedented disruption in global oil

Iran was nowhere close to a nuclear bomb, experts say

The reason the Middle East has so much oil is the same reason it’s all stuck there now

The gut microbiome may influence brain aging, mouse study suggests

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