- Scorpions can hold their breath underwater for up to 6 days.
- In zero gravity, a candle’s flame is round and blue.
- Only 8 percent of the world’s money exists in physical form, the rest is in computers.
- Crows are able to recognize human faces and even hold grudges against ones that they don’t like.
This sweat shirt has been garment dyed using special thermochrome ink which allows for the fabric to change colour when exposed to different temperatures. When heated, the fabric will change from grey to white.