In most churches, the decorations are red to symbolize the blood of martyrdom. Some churches remove all decorations on Good Friday, veiling anything that can’t be removed in black or purple. Holy ...

This is the fifth of eight voiceless consonant programmes in our series of videos that explore the sounds of English. This is the fifth of seven short vowel programmes in our series of videos that ...

As humans make fires on the beach, far-flung plastic that has washed up there melts and fuses permanently with volcanic rocks ...

Gaetan Simian: PhD student (co-direction with Anthony Conway ), started February 2023. Miguel Orbegozo Rodriguez: postdoc, started September 2025. Livio Ferretti: postdoc, September 2023-February 2025 ...

Ask the publishers to restore access to 500,000+ books. An icon used to represent a menu that can be toggled by interacting with this icon. A line drawing of the Internet Archive headquarters building ...

An equation of motion in the presence of a drag force proportional to the velocity is derived in the framework of alternative ...