That single vial—an unguentarium recovered from a tomb in ancient Pergamon, once a major medical hub—has now delivered rare, chemical evidence that human feces were used as medicine in the Roman world ...

Despite a plethora of rules regulating ammonium nitrate, the chemical has become the most common explosive used in terror ...

A Sydney Ph.D. student has recreated a tiny piece of the universe inside a bottle in her laboratory, producing cosmic dust ...

Spark plugs deliver a jolt of electricity to start ignition in gasoline engines. Glow plugs warm diesel engines so that their fuel will auto-ignite.

Gilbert Gee and Annie Ro depict systemic racism as the hidden base of an iceberg 10 (see illustration in online appendix exhibit 1). 11 The iceberg’s visible part represents the overt racism that ...

Daniel Liberto is a journalist with over 10 years of experience working with publications such as the Financial Times, The Independent, and Investors Chronicle. Andy Smith is a Certified Financial ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Suzanne is a content marketer, writer, and ...

The world around us is teeming with substances, each possessing unique properties and compositions. Understanding these substances is fundamental to comprehending the very fabric of reality. Among the ...

Deciding which picture best represents a mixture requires understanding the fundamental properties of mixtures and how they differ from other types of matter, such as pure substances and compounds. A ...

Abstract: Discrete element method was used to investigate the rutting depth variation of asphalt mixture under the condition of different aggregate gradation, varying loads and varying temperatures.