Some parts of the world get way more extreme storms than Jessi and Squeaks are used to. They're called hurricanes!

Exiled in Mantua, Romeo hears the news that Juliet is dead! He rushes back to Verona in grief, unaware that Juliet is very much alive and that this is all part of the Friar’s plan. The tragic conclusion unfolds...

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How does the signal that starts at the axon hillock travel down the axon, and why does it only go in one direction?

In this episode, I talk about the concept of facilitation and explain how it results in a stronger signal in the postsynaptic cell.

Wilmer Valderrama at the Mark Burnett and AOL Celebrate the Launch of Gold Rush at Les Deux in Los Angeles, California on September 12, 2006. (Footage by WireImage Video/Getty Images)

Kristin Cavallari at the Mark Burnett and AOL Celebrate the Launch of Gold Rush at Les Deux in Los Angeles, California on September 12, 2006. (Footage by WireImage Video/Getty Images)

Mark Burnett at the Mark Burnett and AOL Celebrate the Launch of Gold Rush at Les Deux in Los Angeles, California on September 12, 2006. (Footage by WireImage Video/Getty Images)

Tori Spelling at the Mark Burnett and AOL Celebrate the Launch of Gold Rush at Les Deux in Los Angeles, California on September 12, 2006. (Footage by WireImage Video/Getty Images)

Tori Spelling and Dean McDermott at the Mark Burnett and AOL Celebrate the Launch of Gold Rush at Les Deux in Los Angeles, California on September 12, 2006. (Footage by WireImage Video/Getty Images)

Image of empty railway crossing and wind blowing dirt across vacant street and empty houses / wind rushes over exposed soil / lines of destroyed crops / CU ruined crops / tumbleweed blown past farm house / teen boy walks towards house...

Wilmer Valderrama at the Mark Burnett and AOL Celebrate the Launch of Gold Rush at Les Deux in Los Angeles, California on September 12, 2006. (Footage by WireImage Video/Getty Images)

Tori Spelling and Dean McDermott at the Mark Burnett and AOL Celebrate the Launch of Gold Rush at Les Deux in Los Angeles, California on September 12, 2006. (Footage by WireImage Video/Getty Images)

Tori Spelling and Dean McDermott at the Mark Burnett and AOL Celebrate the Launch of Gold Rush at Les Deux in Los Angeles, California on September 12, 2006. (Footage by WireImage Video/Getty Images)

Mark Steines at the Mark Burnett and AOL Celebrate the Launch of Gold Rush at Les Deux in Los Angeles, California on September 12, 2006. (Footage by WireImage Video/Getty Images)

Wilmer Valderrama at the Mark Burnett and AOL Celebrate the Launch of Gold Rush at Les Deux in Los Angeles, California on September 12, 2006. (Footage by WireImage Video/Getty Images)

James Maslow, Carlos Pena, Logan Henderson and Kendall Schmidt of Big Time Rush at Nickelodeon's 25th Annual Kids' Choice Awards on 3/31/2012 in Los Angeles, CA. (Footage by WireImage Video/Getty Images Entertainment Video)

Big Time Rush James Maslow with Kendall Schmidt and Carlos Pena Jr at Kids Choice Awards at Celebrity Sightings in Los Angeles Big Time Rush James Maslow with Kendall Schmidt an on March 23, 2013 in Los Angeles, California (Footage by...

$10 million in gold rush era gold coins found under a tree by a California couple walking their dog. Pics of the coins and the tins

Debbie Rush; Ian Puleston Davies at the TV Choice Awards 2012 Debbie Rush; Ian Puleston Davies at The Dorchester Hotel on September 11, 2012 in London, England (Footage by WireImage Video/Getty Images)

INTERVIEW: Chris Cornell on how playing to large audiences still creates a rush at the Download Festival 2009 at Derby England. (Footage by WireImage Video/GettyImages)

Geoffrey Rush at the 2011 Governors Ball at Hollywood CA. (Footage by WireImage Video/GettyImages)

WHY? on guilty pleasures, embarrassment, Phish, Rush, Rusted Root, Dave Matthews Band, Hoobastank, poster and live shows. Produced by Uncensored Interview / ZenCat Productions. WHY? Interview (clip 3) on September 28, 2009 in New York,...

Black Friday Shoppers rush into Macy's at midnight on 6th Avenue in Manhattan. Black Friday Shoppers on November 23, 2012 in New York, New York (Footage by Getty Images)

Breanna Yde, Amber Montana Benjamin, Lil P-Nut Flores Jr., and Curtis Harris talks about the importance of staying healthy and active at Nickelodeon's 10 Annual Worldwide Day of Play Celebration More Than 50,000 Kids And Families Join ...