BIG QUESTIONS

The slang term for our mental health professionals has a rather grim history.

Diesel engines power heavy-duty vehicles, from cargo trucks to ships. But where does ‘Diesel’ come from?

One key ingredient has linked the dish to Massachusetts—and it isn’t the actual beans themselves.

Pumpkin spice can contain more than 300 flavors—and no actual pumpkin. Here’s what’s really in the fall favorite.

The unofficial—but widely known—fashion rule can be traced back more than 100 years to some snobby millionaires.

Can honking at too much traffic actually deplete your car’s horn? The answer might surprise you.

When a politician, sports team, or anyone else faces a defining challenge, it's referred to as a “litmus test.” What's litmus, and why is it being tested?

Nausea and vomiting are the bane of many a pregnant person’s first trimester. And despite the name, the symptoms aren’t just limited to the morning.

These little spaces often spark curiosity and nostalgia, though few people know their history.

Though the gray band is safe to eat, it’s not particularly appetizing.

While 100 percent humidity might seem to suggest there should be pure rain showers, there may not even be a hint of drizzle. So what does it mean to reach peak humidity?

The stringy white glob hanging off an egg yolk is a chalaza. Here’s what it does and when you should remove it.