The word 'welt' comes from Middle English 'welte', meaning a ridge or raised strip. Its roots trace back to Old English welta ...

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 ...

Word of the day: FATTER Pronunciation: fet·ter UK/ ˈfet.ər/ and US /ˈfet̬.ɚ/ As a noun, 'fetter' means a chain or shackle ...

Natural selection uses duplicated genes as raw material for functional innovation, co-opting their existing features to new functions. Understanding genetic innovation requires two questions to be ...

Have you ever given someone your hard-earned money or private legal papers and thought, "Is this person really looking out ...

Enzymes help with specific functions that are vital to the operation and overall health of the human body. They help speed up chemical reactions and are essential for respiration, digestion, muscle ...

Word of the Day: Discombobulation is a striking English word used to describe confusion, disorientation, or a temporary mental scramble. First appearing in nineteenth-century American English, it was ...

Females are more immunoreactive than males and, although sex hormones have an important role in immune functions, the X chromosome is fundamental in shaping sex-specific immune responses. X-linked ...

Daniel Liberto is a journalist with over 10 years of experience working with publications such as the Financial Times, The Independent, and Investors Chronicle. Yarilet Perez is an experienced ...