What causes the smell after rain?

Following World War II, Austrialia became embroiled in another war -- with a population of emu. Learn how the Emu War unfolded in this episode of BrainStuff, based on this article: https://history.howstuffworks.com/historical-events/ridiculous-history-emu-war.htmSee omnystudio.co ...  Show more

Neurologists and philosophers alike may argue that altruism doesn't exist because no act is ever completely unselfish. Learn why -- and why humans may have evolved this way -- in today's episode of BrainStuff, based on this article: https://science.howstuffworks.com/life/evolutio ...  Show more

#029 Rebroadcast

What's that smell? This week, Melissa and Jam explore the chemistry of smell. Now a lot of smell science has to do with our physiology and neurology. We'll talk some about that, but the chemistry has to do with the actual smells in the ...

Chuck and Josh end up making reduxes of past episodes on things like sweating and deodorant in this all-new episode on the science beneath what makes people smell. Learn all about your odor in this episode of Stuff You Should Know.

Pourquoi l'odeur de l'herbe tondue est-elle un signal de détresse ?

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When it comes to body odor, we all smell a little different. But are there distinct gender differences? In this episode, Molly and Cristen discuss how body odor works, the many factors that can affect it -- and tactful ways to address a body odor problem.