This stinks. I mean it. It really smells. It's putrid. I can't stand it. It's disgusting.

Hey, it's Seth. And this is a Kimbo.

But first, here's a message from our featured nonprofit, The Boston Philharmonic Youth Orchestra.

Find out more at Bostonfill.org. dot org. This is really hard. You're doing great, Ken.

This is a notorious.

This is really hard.

You're doing great, Ken. This is a notoriously difficult piece to conduct, in case you're wondering.

So do it again, and I want to see really what it is your trial. You look as though you're waiting for them to teach you instead of for you to teach them.

So be really sure. You have to be so secure at the beginning.

What was the first sense? I mean even if we just start with the mythological five senses,

what was the first sense?

It was probably a combination of smell and touch that the amoeba floating along the

protozoa all those weird little creatures they collide with the outside world, and they need to know what

the outside world is telling them.

They need to sense danger.

They need to figure out what's food and what's not.

And so for millions of years, we've been evolving from that simple idea.

The turkey vulture really smells.

Compared to every other bird in the animal kingdom,

the turkey vulture has the best developed sense of smell.

Its olfactory region in its brain is many times bigger than that of any other birds.

A turkey vulture from 150 feet in the air can spot a dead chicken.

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