Whether it's lavender aromatherapy to sleep better or a peppermint oil pill for your irritable bowel syndrome, essential oils have a lot of proposed therapeutic uses. Here's where the research stands on those and others like bergamot...

All cooking is science: we use chemistry and physics to steam, fry, bake, or microwave almost all of our meals. However, there are some cooking methods that delve into even deeper and stranger scientific territory.

While not used much any more as a primary source of light, candles are still everywhere, from an aroma in a bathroom to a mood during dinner. That is, until they’re gone.

Different fuels create different types of fires, and each one needs to be extinguished using a specific strategy. Do you know which class of extinguisher is needed for different fires? Hosted by: Michael Aranda

A perfumer from Ancient Babylon named Tapputi-Belatekallim is possibly history's first recorded chemist, and some of the techniques she used are still in practice today.

Trinidad's Pitch Lake is a huge, oily, and filled with millions of tons of asphalt. It may not sound like a great place to live, but the lake is teeming with microscopic life! And learning more about these organisms could give us insight...

Artists are notorious for pouring their heart and soul into their work, but historically, they also put some of their literal body parts into it as well!

We're heading for a world population of 10 billion people -- but what will we all eat? Lisa Dyson rediscovered an idea developed by NASA in the 1960s for deep-space travel, and it could be a key to reinventing how we grow food.

You might be familiar with the phrase "like water off a ducks back". But it's not that ducks don't get wet, it's that they get wet, with style.

What does the research say about what essential oils can actually do?

On top of our heads, there is a type of yeast that lives and dines on all of our scalps. Feasting constantly, it's in paradise. And in about half of the human population, its activity causes dandruff. So, why do some people have more...

Almost everyone loves the smell of rain, but where does the smell come from? Join Quick Questions as we stop and smell the chemistry!

All cooking is science: we use chemistry and physics to steam, fry, bake, or microwave almost all of our meals. However, there are some cooking methods that delve into even deeper and stranger scientific territory.

How could you dispose of your cooking oil when you're done cooking? The easiest thing to do might be to pour it down your drain -- but if you save it up and send it to a processing plant, it can gain useful new life as biodiesel, a...

You know it, and you love it. Fried food! But there’s more to fried dishes than just plopping food into hot oil. You have to know what’s up with the food you’re cooking and what oils will work best for you dish.

Different fuels create different types of fires, and each one needs to be extinguished using a specific strategy. Do you know which class of extinguisher is needed for different fires?

Do you really need a daily shower to stay clean, or is it doing more harm than good? Some scientists have recommendations based on what we know about our skin , and what might be living on top of it.

This episode is not for the faint of heart. Coyote has claimed for years that he’s immune to poison ivy—but that’s about to be put to the ultimate test. Joined by wildlife expert, Ray Tiller (who, spoiler alert, breaks out from even a...

Howcast - Rediscover the joy of sex with this five-step program developed by renowned sex therapists.

Howcast - Ewww, that's funky! Clean up your XBox controller to avoid a gamer faux pas.

Howcast - Learn about green pesticides in this Howcast pest control video with expert Jeff White.

Howcast - Learn about Vitamin A cream, oil, and other products in this Howcast video

Howcast - Learn which vegetable oils are the healthiest and which are bad for you from nutrition expert Alex Jamieson in this Howcast video.

Howcast - Learn the health pros and cons of butter versus margarine and other butter substitutes from nutrition expert Alex Jamieson in this Howcast video.