Purple is a nonspectral color made by the brain, showing how individual differences in vision shape the colors we see.

Jobs created through the green transition include roles such as technicians and consultants – employment opportunities that ...

Scientists have converted the blood type of a donor kidney and transplanted the organ into a person. The procedure — the first of its kind — could improve access to donor organs, specialists say, ...

In new research published in Science, a team of astronomers report the detection of a surprising substance in a brown dwarf ...

Usually, an ambigram takes me about an hour from the moment of tackling the challenge with crude pencil sketches until the ...