Body mass index, or BMI for short, is a measure of body weight based on your height. For decades, BMI has been a way to measure whether someone is at a healthy weight. In general, people are ...

The caffeine sensor that resulted was called DECAF. It looked like a stir bar and could measure the caffeine concentration of ...

Determining the number of copies of a double stranded DNA template (be it genomic DNA, plasmid or an amplified fragment) is essential for many genetic quantification applications in research and ...

In chemistry, the steric number is an essential concept that describes the arrangement of electron pairs around a central atom in a molecule. It helps predict the molecular geometry and hybridization ...

A number machine is a way of writing rules using a flow diagram. The equation \(3j - 6 = 9\) can be shown on a number machine by writing out the functions that have been applied to \(j\) in the order ...

Ceramic coating is a liquid polymer that applies over the car's exterior. It creates a semi-permanent bond with the vehicle's paint, creating an additional layer of protection against corrosion, ...

In 1992, three physicists began an argument about how many numbers we need to fully describe the universe. Their surprisingly ...

Blueberries, walnuts and dark green leafy vegetables head the list, but diversity is the key to getting more antioxidants in ...

In January I wrote a piece titled “ 5 Physics Equations Everyone Should Know .” Lots of you weighed in with your own ...

A team of international physicists has brought Bayes’ centuries-old probability rule into the quantum world. By applying the ...

The appearance of oxygen in Earth's atmosphere was a turning point in the history of our planet, forever transforming the ...