For migrants, prejudice can be a life and death matter. Research in India and South Africa shows life is considerably harder if migrants have a darker skin and come from a poorer country.
In the US, black children wait longer to be adopted and cost less to adopt than white children.
UV ratings indicate risk of skin damage – but they're based on pale skin. New wrist bands designed for six different tones of skin provide a more personalised way to track safe UV exposure.
The racism that underpins colourism must be challenged.
A philosopher's take on the ethics of products that allow parents to lighten the skin colour of their unborn baby.
The longing for lighter skin remains a taboo topic in African-American communities.
Animals that evolved in cold parts of the world usually have lighter skin. If a light-skinned animal has blood vessels close to the surface of their ear skin, this will make the ears look pink.
At the root of the skin bleaching phenomenon is a psychological complex.