Lancing a finger elicits minimal pain in humans and is applied routinely to obtain small volumes of blood for clinical diagnostics. A modified lancet bleeding method and several blood sampling ...

A new study has revealed promising progress in developing a non-invasive sampling method to detect early signs of Parkinson's disease—up to seven years before motor symptoms appear—by analyzing the ...

Just a few swabs from a handful of leaves can say a lot about what animals are roaming in the area. Two dozen leaf swabs from plants in Uganda’s Kibale National Park revealed a stunningly accurate ...