Falling is a leading cause of injury death.  Only car accidents kill more people.

But is it possible to survive a fall from an airplane?  It's happened a few times.

Popular Mechanics did a bunch of research on this, and they found some surprising things.

There are a few things you can do if you fall out of the plane.  First, choose a target.  You have some ability to steer yourself in the air.  Look for something that may help your landing.  Snow, mud, swamp, etc.  Avoid concrete and avoid w

Have you ever poked your finger in there?  Really crammed it down?  Feels weird, right?  There's a reason for that.

All placental mammals have navels.  It's the point of contact for the umbilical cord which handles all nutrient and waste issues for a developing fetus.  The navel is essentially a scar.

When you poke your finger in there really deep, you stimulate some nerves that your brain interprets as being somewhere around your bladder.

Stuff Your Dad Knows host Ethan Millard welcomes a new guest co host, Emily.  They're... close.

The two talk about whether or not cracking your knuckles is really a problem or if it's just something you can totally do with no regrets.

Stuff Your Dad Knows host Ethan Millard is joined by KSL News Radio's Joe Davis to talk about the history and use of swear words.

They also talk about how much emotion they convey, which is probably why they're so prevalent.

Stuff Your Dad Knows host Ethan Millard interviews Mike Peters of The Alarm. Afflicted with cancer, Mike has established the Love Hope Strength Foundation to promote blood transfusions and bone marrow transplant.   Ethan and Mike talk about cancer, and how to take the symptoms seriously and get early treatment. They also talk about Mike's music past.  He was inspired by the Sex Pistols and even asked Johnny Rotten himself what anarchy meant. Mike has toured with some major acts including U2 and Bob Dylan.

Hiccups are a spasm of the diaphragm muscles coupled with a closing of the vocal chords.  

There are a few theories as to why they happen, but mostly people want to know how to make them stop.

Unfortunately, there is no guaranteed way to get them to stop.  

You can try holding your breath, sucking a lemon.  Almost anything that interrupts the spasms may work.

Your child may complain about sleeping, but this episode of Stuff Your Dad Knows will give you some ammunition.

Sleep is important for cataloguing memories. It's when your brain does its filing and storage.

Brian Foxx of FM100.3 joined Ethan Millard for this episode and they also discussed how people in the past slept.

A few generations ago, it was much more common for people to sleep in two large blocks of about four hours separated by a waking break of a few hours.

Your kid asked for a drink of your caffeinated soda. This happens to every parent.

Reflexively you say no, mumbling something about caffeine. But what if your child has a follow up question? What do you say? Can you really say that caffeine is dangerous for kids?

This episode, Ethan Millard is joined by Blair Carter of FM100.3 & The Arrow 103.5FM

Ethan Millard is joined by Rebecca Cressman, midday host at FM100.3.

Ethan comes from a family of big heads. They have big heads. A few of them have ridiculously big heads. It's a family trait. His parents always said "big head, big brains".

Is that true? Is your brain big because your head is big? And does that make you smarter?

Of course a larger brain would require more space in a larger skull, but a large head could also be caused by thicker bone or a lot of musculature.

The type of earwax you have indicates whether or not you have smelly armpits!  It's true! The gene that brings you wet, sticky earwax is also responsible for the excretion of a protein with your sweat under your arms. It's that protein that attracts bacteria and STINKS!

Lots of people around the world actually have dry, flaky earwax. They don't have that same protein secreted under their arms and so they don't stink so much.