The photosensor is a simple cadmium sulfide cell, which measures the intensity of light bouncing back from an object as an Arduino drives the LED through all possible colors with PWM signals.

During pregnancy, many women rely on prenatal vitamins and minerals to support their health and their baby’s development,” ...

Excessive amounts of lead and phthalate plasticizers were found in products from Temu and Shein during earlier investigations ...

Swiss chocolate maker Lindt is facing a class action lawsuit in the US over allegations of high levels of heavy metals like ...

Baseline cadmium exposure, measured in urine, is associated with global cognitive impairment in White, but not Black adults.

A recent study highlights concerns over the nutritional content and safety of prenatal vitamins, revealing many lack ...

New research reveals many prenatal vitamins don't contain enough of the nutrients that are essential for a healthy pregnancy, while others contain harmful levels of toxic metals. The study checked the ...

A recent study revealed concerning levels of heavy metals like lead and arsenic in several prenatal vitamins, while many ...