Many people deal with a nail-biting habit at some point in their lives. Some will go to great lengths to try to stop, employing strategies like dipping their hands in salt or wearing gloves. And while not all of us are nail-biters, most...

Despite common belief, retirement takes more than financial planning. And while you may be beyond ready to go on permanent vacation, you also have to psychologically prepare for when the novelty wears off. Riley Moynes explains the four...

In India (and many other countries), girls and women still find themselves silenced by traditional rules of politeness and restraint, says social scientist Deepa Narayan. In this frank talk, she identifies seven deeply entrenched norms...

We'll go to the doctor when we feel flu-ish or a nagging pain. So why don’t we see a health professional when we feel emotional pain: guilt, loss, loneliness? Too many of us deal with common psychological-health issues on our own, says...

Today, penguins are found mainly in the Southern Hemisphere. But fossils have revealed giant lookalikes to these swimming birds further up north, spurring questions of how they evolved and what happened to them.

As a species, humans tend to have a bit of a fondness for mind altering substances. Is this true of other animals as well?

Tiny creatures called rotifers seem to have no problem continuing their lives after waking from a refreshing 24,000-year nap. And DNA samples from goats that lived 30,000 years ago tell us a bit about how humans were managing them back...

We all have habits we’d love to make or break. Understanding exactly what a habit is might be the best way to start making them work for you.

Deep in the ocean lives a fish that seems pretty normal right up until dinner time, when it reveals its secret talent: devouring meals much larger than itself.

The One That Got Away (Size Matters)

Hank delves into the details about that very popular substance: caffeine.

Humans should urinate at least four to six times a day, but occasionally, the pressures of modern life force us to clench and hold it in. How bad is this habit, and how long can our bodies withstand it? Heba Shaheed takes us inside the...

We all know that birds are incredibly smart, but some birds in Australia take things to the next level — they can intentionally start fires!

We've all got bad habits that we might feel a little bad about, but we're here to tell you stop feeling guilty! Kind of.

You know how resolutions often go: you set a goal and start strong ... then the motivation runs out and feelings of frustration and shame creep in. The struggle is real -- but what if it doesn't have to be? Sociologist Christine Carter...

Dieting and exercise can be good for you, but just because something’s healthy, that doesn't mean more is even healthier.

Got a bad habit you just can't seem to break? That's because it's literally wired into your brain. Every single thought, action, and feeling changes your brain. When repeated enough times, a habit is formed. This week we'll talk about...

Is there something you've always meant to do, wanted to do, but just ... haven't? Matt Cutts suggests: Try it for 30 days. This short, lighthearted talk offers a neat way to think about setting and achieving goals.

Hank describes how our brains respond biochemically to various addictive substances and behaviors and where those responses have come from, evolutionarily speaking.

Elevate your routine with this rotation push up

Do lateral abs and forget about the muffin top

Howcast - Learn how to achieve weight loss using hypnosis from clinical hypnotherapist Debbie Catz in this Howcast video.

Howcast - Learn how to mentally prepare for basic training in this Howcast video with Sergeant Michael Volkin.

Howcast - Learn how to stop your dog from chewing on the furniture in this Howcast video with Andrea Arden Dog Training.