Subject 046M, two years old, was seated nervously across from me at the table, his hands clasped tightly together in his lap. He appeared to have caught an incurable case of the squirms. I resisted ...

A series of color swatches are laid in front of you – each swatch a different color. A researcher asks you which one is red, and you pick the one you believe is red. You then repeat the name game for ...

You know what the word 'blue' means: it's the colour of the sky and the sea. But did you know that it can be used for more than simply describing colours? There are some English phrases with the word ...

A plane drops water to put out a huge fire. Photo: Nick Ut/ AP Photo If you do something - especially a test or exam - with flying colours, you do it easily and with great success. Examples: She ...

A Buddhist hangs colourful lanterns in preparation for the birthday of Buddha. Photo by Getty Images/Chung Sung-Jun. If someone describes something as being all the colours of the rainbow, it means it ...

Evolution, Vol. 72, No. 7 (JULY 2018), pp. 1449-1459 (11 pages) We are only starting to understand how variation in cognitive ability can result from local adaptations to environmental conditions. A ...