Sunscreen comes in many forms, each with its own impacts on your body and the environment. With so many options, how do you choose which sunscreen is best for you? To answer that question, Mary Poffenroth explains how sunscreens work and...

Radiation is all around us, and when you travel by plane, you're exposed to cosmic radiation. So what does this mean for our health? Does air travel expose us to unsafe radiation levels? Check out this episode to see how flying among...

You might have had the experience of heading out for the night, feeling good, snapping a few selfies with friends that memorialize for all time how great your hair is looking. But the next day, you’re tagged in someone else’s photos and…...

You might have heard that exposure to unnatural lights from digital devices can hurt your eyes. But is that true?

After a concert, you find it difficult to hear your friend rave about the show. It sounds like they're speaking from across the room, and it's tough to make out their voice over the ringing in your ears. But, by the next morning, the...

The Internet has a lot to say about how color affects our mood and behavior, but it's not as cut and dry as it may sound.

E-cigarettes and vapes have exploded in popularity in the last decade, especially among youth and young adults -- from 2011 to 2015, e-cigarette use among high school students in the US increased by 900 percent. Biobehavioral scientist...

Recently, a number of outlets, including the Washington Post, reported on a study about the alarming rise in children who were exposed to parents' marijuana edibles. As always, it's important to view these things in context, and think...

This week, Aaron looks at studies on how health care workers' incomes compare to the rest of the population and to each other. Also, there's a new study out showing to many kids are victims of violence, and King v Burwell has been...

A new study on endocrine disruptors, pregnancy, and heritable ADHD and other neurodevelopmental issues. Women exposed to endocrine disruptors seem to be able to pass ADHD and other disorders onto their grandchildren! That is unusual.

We've talked in the past about the positives of Marijuana use. What are the harms? From pregnancy effects to impaired driving to memory and concentration, Aaron will tell you how pot might hurt you.

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The video discusses the importance of finding the correct exposure in photography, which refers to the amount of light that hits the camera's sensor. It emphasizes the desire for rich details, vivid colors, and a perfect balance between...

In this informative video, viewers are taken on a detailed exploration of a camera and its various components. The importance of understanding and utilizing different types of camera lenses, including fixed and detachable lenses, is...

How to Keep Air Pollution from Hurting Your Heart

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Howcast - Learn seven tips about digital camera shutter speed from commercial photographer Dan Bracaglia in this digital photography lesson from Howcast.

Howcast - Learn six digital camera exposure basics from commercial photographer Dan Bracaglia in this digital photography lesson from Howcast.

Howcast - Learn five RAW basics from commercial photographer Dan Bracaglia in this digital photography lesson from Howcast.

Howcast - Learn about exchangeable image file format (EXIF) from commercial photographer Dan Bracaglia in this digital photography lessons video from Howcast.

Howcast - Start protecting your baby before they're even born by making green choices during your pregnancy that are good for both of you.

Howcast - Yucca blossoms appear at different times of the year depending on the species. Here are some ways to encourage blooms no matter which species you have.