Is it really not the heat, but the humidity? With temperatures spiking around the world, it's a good time to answer some questions about the heat index.

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From Led Zeppelin to Pink Floyd, here are classic rock’s 10 best lullabies.
All five answers to the questions below have something in common. Can you figure it out?
These authors have published thousands of books between them, from obscure works to best-sellers.
This omnium-gatherum will turn even oliogoglots into omniloquent charmers.
Classic video game consoles like the Game Boy and PlayStation 2 dominate overall sales.
A room temperature stick of butter is easier to spread. But is it safe?
In 1990, two movies based on the life of mobster Henry Hill hit theaters. 'Goodfellas' had Martin Scorsese. 'My Blue Heaven' had Steve Martin.
Where did the gothic garnish that became a trademark of rock bands like Mötley Crüe and Blue Öyster Cult get started?
The pioneering aviator who died under mysterious circumstances in 1937 will soon take a place of prominence in the National Statuary Hall Collection.
From Bing Crosby to Ed Sheeran, these are the chart-toppers from the past 82 years.
Québec slang, as heard in Montréal and elsewhere, is a remarkable 'méli-mélo' (hodgepodge) of ancient French, more recent borrowings from Arabic- and Haitian Creole-speaking communities, and English loanwords.
There’s a lot you might not know about France’s national dog.