Right Now in BrainStuff

Deep frying anything is a science -- but perhaps especially a whole turkey. Learn how to do it (and why it works) in this episode of BrainStuff.

BrainStuff Classics: Why Do I Need a Passport to Travel?

The vast (vast!) majority of humans need a passport in order to travel internationally. Learn why -- and who doesn't -- in this classic episode of BrainStuff.

Can 'Hypoallergenic' Dogs Still Trigger Allergies?

Spoiler alert: Yes, breeds of dogs said to be hypoallergenic can still set off your allergies -- but they may be better for you than other breeds. Learn why in this episode of BrainStuff.

BrainStuff Classics: Are Less Experienced People More Confident?

You may have heard about the supposed inverse relationship between confidence and knowledge -- but is it true? Learn more about the Dunning-Kruger effect in this classic episode of BrainStuff.

Could We Recycle Excess Subway Heat?

Heating homes and other human hangouts requires a huge carbon footprint -- but meanwhile, we're wasting heat every day (and sweating) in systems like subways. Learn how one project hopes to use that excess heat for the greater good in this episode of BrainStuff.

BrainStuff Classics: Why Is Bacon Considered a Breakfast Food?

Bacon and eggs are a traditional breakfast -- but that tradition only goes back about a century. Learn how Sigmund Freud's nephew invented public relations and changed the way we eat breakfast in this classic episode of BrainStuff.

Can We Win the War on Cockroaches?

Cockroaches are, if nothing else, admirably persistent -- they can spring back from a 90% population loss just a couple generations. Learn how hardy they are in this episode of BrainStuff.

How Do Wolverines Work?

Wolverines may not have adamantium-reinforced skeletons, but this species of weasel boasts a few superpowers of its own. Learn more about wolverines in this episode of BrainStuff.

Why Should You Stop Raking Fall Leaves?

Something has to be done with all those fall leaves, but the best option for the environment (and your lawn) isn't raking, it's mulching. Learn why, and how to get started, in this episode of BrainStuff.

What's the Difference Between Hornets and Wasps?

We often use the terms 'wasp' and 'hornet' interchangeably, but that's not quite right, and knowing the difference can save you a sting. Learn about these insects in today's episode of BrainStuff.

How Can a Hen Turn into a Rooster?

In cases of spontaneous sex reversal, an animal born male can become female, or vice versa, due to genetic or hormonal changes. Learn the story of how one hen became a rooster in this episode of BrainStuff. 

How Could Artificial Glaciers Hydrate the Himalayas?

Farmers in the Himalayas depend on yearly snow melts to water their crops, but climate change means they're not getting enough snowfall to replenish natural glaciers. Learn how artificial glaciers are helping in this episode of BrainStuff.

What's the Science Behind Applause?

The way that applause starts and moves through a large crowd is scientifically predictable. Learn what the research shows about the influence of sound and psychology in this episode of BrainStuff.

Could Science Create a Better Blood Supply?

Millions of lives are saved by blood transfusions every year, but sometimes donations are in short supply. Learn how researchers are hoping to make more blood universally transferable in this episode of BrainStuff. 

Introducing: History Vs. Theodore Roosevelt

In History Vs., a new podcast from Mental Floss and iHeartRadio, we’ll explore how larger-than-life historical figures faced off against their greatest foes. In this inaugural season, we’re looking at Theodore Roosevelt’s incredible life using a convention that he, as a boxer, would have appreciated. Each episode, we’ll analyze how Roosevelt took on a particular challenge, from his debilitating childhood asthma and conflict within his family to conquering the hours of the day and preserving the world for the next generation.

Did Humans Evolve To Be Superstitious?

Humans and other animals often hold superstitions -- but why? Could it have been biologically advantageous to our ancestors? Learn more about superstition in this episode of BrainStuff. 

What Is Eye of Newt?

The witches in Macbeth describe a disturbing brew -- eye of newt, toe of frog, etc. -- but that was just code for common plants. Learn what eye of newt really is in this episode of BrainStuff. 

What Exactly Is Candy Corn?

Americans buy some 9 billion kernels of candy corn every year. Learn this candy's history plus how it's made in today's episode of BrainStuff.

What's Happening During A Near-Death Experience?

Some patients brought back from cardiac arrest describe seeing a bright light at the end of a tunnel, or other phenomena known as a near-death experience. Learn how some researchers have tried to explain this in today's episode of BrainStuff.

What Is the Legend of the Hawaiian Night Marchers?

Hawaiian folklore tells of the huaka'i pō, or night marchers -- ghostly warriors whose sense of duty has kept them on guard even after death. Learn the legend (and what to do if you hear them coming) in this episode of BrainStuff.