On this blog, we have discussed all sorts of so-called alternative medicine (SCAM) but only rarely we scrutinize any of the many gadets and devices that are being promoted under the SCAM umbrella.

He also suggested a “dual task gait test,” where you ask someone with suspected dementia to walk while performing a cognitive test “like counting backwards.” “Difficulty with this task ...

A team dedicated to designing energy conversion devices, led by Weilin Chen from Northeast Normal University in Changchun, ...