Vikki Velasquez is a researcher and writer who has managed, coordinated, and directed various community and nonprofit organizations. She has conducted in-depth research on social and economic issues ...

Do you have a question about history? Send us your question at history@time .com and you might find your answer in a future edition of Now You Know. All sports have their own vocabularies, the ...

Climate and Earth system modelling is the use of mathematical representations of key components and properties of the atmosphere, ocean and biosphere to construct computer models. These models – which ...