Lista de episodios

Current thinking is the men who served as President of the United States in the 1840 died of typhoid fever from consuming contaminated drink water at the White House.

In most cases good oral hygiene will prevent bad breathe.

The health benefit claims to our microbiome from probiotics in yogurt are not well establish and may be non-existent.

Why you should let your nose hairs grow like weeds.

Men and women experience different symptoms during a heart attack. And women's symptoms can seem bizarre.

A few human capabilities our long ago ancestors were lacking.

The long term effects of inadequate teeth brushing.

In 2006 the Red Cross updated their recommended first aid procedure for choking victims.

When the time is right a caterpillar dissolves most of its interior leaving its skin to serve as a containment vessel known as a chrysalis. Then Imaginal disk cells go to work assembling a butterfly. Incredibly, the butterfly seems retain some memory of its caterpillar days.

Many of the misconceptions about sleep are wishful thinking. If you believe and act on them you're hurting yourself and will pay the price in poor performance and health issues.

The physics and technique the produces a perfect football pass. It takes something more to do it in a game.

We all know something about psychology but often our knowledge is out dated or misguided. Here are several topics where it's worthwhile to be set straight.

Hopefully you're into a regular routine of dental care. Now let's make sure you're giving your teeth the right care in the right way.

Using your eyes all day everyday you can't help but believe you know all about them. But some common assumptions are wrong. And for many beliefs that are true, the presumed cause is really the effect, surprise.

An amazing number of maladies can effect your ear, nose or throat. Unfortunately, common knowledge about how to treat those problems is often wrong. Here is some guidance so you don't make the problem worse.

If you are having ear discomfort there's a pretty good chance you caused it yourself. Here's how to avoid trouble. And if you are experiencing ear pain the cause may not be what you think. An otorhinolaryngologist can help resolved the problem.

Drs. Sarah Haller and Brad Schaeffer, both podiatrists, provide quick explanations of the most common foot ailments. Surprise, surprise, misconceptions abound for every one of them.

First aid can save a life but many common actions are simply wrong and can do more harm. Here is a list of the most common mistakes and the proper procedure to do instead.

When a friend or loved one is having a medical emergency you want to help them until professional help can arrived. But you also want to be sure to do the right thing them rather than make it worse. Here are some harmful treatments that you must avoid.

Pests are everywhere and you will encounter them from time to time. Here is advice from professions that dispels the myths so you can deal with pests in the best way possible.

Lava behaves in different ways depending on the material it contacts as it flows. Sometime the result is a change in how hazardous the lava is making these interactions an active area of study by volcanologists.

Sugar isn't intrinsically bad for you. In fact it's an essential nutrient. Too little or too much may lead to physiological effects or heath problems. So eat it in moderation keeping in mind it's may be hiding in some of the foods you eat.

Trichologist Anabel Kingsley and Dermatologist Camille Howard-Verovic share hair myths that are widely believed. They explain why these myth are false and the harm that acting on some of them may cause.

Despite all the publicity about heart disease there are still many myths floating around and many people are at risk who don't realize it.

Some very common things, like sugar-free soda, are rough on your teeth. And there's more. But dentists often can rescue your teeth given the opportunity.

Gastroenterologists Dr. Sophie Balzora and Dr. Ugo Iroku debunk 13 myths about caffeine. They explain what decaf really means, how much caffeine is too much, and if caffeine affects your heart. They also talk about whether caffeine is good for you - plus ways it can actually be beneficial to your health.

Excavators at the La Brea Tar Pits and Museum work to dig up fossils of mammoths, dire wolves, giant sloths and more out of the ground. They clean and piece together the bones, and prepare them for research and museum collections. With 4 million specimens already in scientists' hands, why keep excavating after more than 100 years? The La Brea Tar Pits is one of the only paleontological sites on Earth that has preserved an entire ecosystem over time, from plants to camels to bugs. And every new fossil not only helps tell the story of the Los Angeles Basin over 50,000 years but also gives us clues about how current species, including humans, could weather climate change in the future. Insider Science went to the La Brea Tar Pits to see how specimens are discovered, cleaned, and pieced together to build a record of the last 50,000 years.