Engineers design a home urine test that could scan for diseases

There's a good reason your doctor asks for a urine sample at your annual checkup. A simple, color-changing paper test, dipped into the specimen, can measure levels of glucose, blood, protein and other chemicals, which in ...

Chemical marker facilitates plastic recycling

Some years ago, a small recycling company asked the Center for Research in Advanced Materials (CIMAV) at Monterrey in the northeast of Mexico, a technology to identify PVC from PET, since the material caused them losses in ...

‘Current test’ for water pollution

A simple test of electrical conductivity could be used as a parameter for water quality, according to new research published in the Journal of Tropical and Agricultural Sciences. The research investigated whether this single ...

The mechanism that puts the curl in the curling stone revealed

Researchers from Uppsala University in Sweden can now reveal the mechanism behind the curved path of a curling stone. The discovery by the researchers, who usually study friction and wear in industrial and technical applications, ...

Stanford computer scientists find Internet security flaw

(PhysOrg.com) -- Researchers at the Stanford Security Laboratory create a computer program to defeat audio captchas on website account registration forms, revealing a design flaw that leaves them vulnerable to automated attacks.