The original version of this story appeared in Quanta Magazine. One July afternoon in 2024, Ryan Williams set out to prove himself wrong. Two months had passed since he’d hit upon a startling ...

Blood-based biomarkers are of particular interest as cancer screening tests as a result of their convenience, low cost, and quantitative measure. The incorporation of biomarkers into a screening ...

If you've ever had to endure a diagnostic session in a magnetic resonance (MRI) machine, you know that lying motionless for up to 45 minutes can be uncomfortable at best. Add in the countless ...