A chemical compound is a pure chemical substance consisting of two or more different chemical elements that can be separated into simpler substances by chemical reactions. Chemical compounds have a ...

Mass spectrometers are high-tech machines that play an important role in our society. They are highly sensitive analytical instruments that are indispensable in areas such as medical diagnostics, food ...

Over the past two decades, large genetic studies have linked tens of thousands of DNA variants to thousands of human traits and diseases. Yet, correcting the effects of those variants to treat disease ...

Chemists have created a highly reactive chemical compound that has eluded scientists for more than 120 years. The discovery could lead to new drug treatments, safer agricultural products, and better ...

Polycyclic aromatic hydrocarbons (PAHs) are important carriers of organic matter throughout the universe. As organic ...