"Blue balls" is a slang term for a medical condition called epididymal hypertension. This condition occurs when prolonged sexual arousal without ejaculation causes fluid to build up in the testicles.

Investopedia / Zoe Hansen A traditional and perhaps outdated term, "blue collar" is a type of job that is done outside the office, often with manual labor or trade skills. The term blue collar is ...

Meta’s Messenger has a new logo set in Facebook blue. The instant messaging app dropped the multicolor gradient used in its previous logo for a solid blue that matches the shade used by Meta’s ...

pastoris, a common system for expressing heterologous proteins ... mixed library was analyzed using an S3eTM flow cytometer (Bio-Rad Laboratory, Inc.) with blue excitation light at 488 nm. The flow ...