From cognitive enhancement to mood support and increased energy levels, methylene blue has gained popularity for its potential physiological benefits. Originally developed as a dye, methylene blue ...

A series of photos showing how a sample of blue-dyed water freezes, losing its blue colour, over a time period of 42 minutes. After 34 minutes, clear ice completely surrounds a still-liquid, blue ...

What exactly is this unusual blue sea creature? Get to know one of the more unusual members of the sea slug family in our quick look.