Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate

This episode is brought to you by Dropbox https://www.dropbox.com/

Follow me to Gross Science: https://youtu.be/kRUt9pqMCSg and BrainCraft: https://youtu.be/Joalg73L_gw

↓ More info and sources below ↓

Tweet ⇒ http://bit.ly/OKTBSmourn Share on FB ⇒ http://bit.ly/OKTBSmournFB

We’ve got t-shirts! Get yours here: http://store.dftba.com/collections/its-okay-to-be-smart

BOOK RECOMMENDATION: Barbara J. King "How Animals Grieve" http://amzn.to/1MD7Jz5

References:

Barbara J. King “When Animals Mourn” Scientific American http://www.nature.com/scientificamerican/journal/v309/n1/full/scientificamerican0713-62.html

Jason G. Goldman “Death Rituals In The Animal Kingdom” http://www.bbc.com/future/story/20120919-respect-the-dead

Iain Douglas Hamilton “Behavioural reactions of elephants towards a dying and deceased matriarch” Applied Animal Behavior Science http://www.appliedanimalbehaviour.com/article/S0168-1591(06)00101-8/abstract

Chimpanzees mourning dead infants:

http://www.mpg.de/1071360/mourning_chimpanzee

http://www.cell.com/current-biology/abstract/S0960-9822%2810%2900218-6

(video: https://www.youtube.com/watch?v=nM9GLhuPDXA)

Have an idea for an episode or an amazing science question you want answered? Leave a comment or check us out at the links below!

Follow on Twitter: http://twitter.com/okaytobesmart

http://twitter.com/jtotheizzoe

Follow on Tumblr: http://www.itsokaytobesmart.com

Follow on Instagram: http://instagram.com/jtotheizzoe

Follow on Snapchat: YoDrJoe

-----------------

It’s Okay To Be Smart is written and hosted by Joe Hanson, Ph.D.

Follow me on Twitter: @jtotheizzoe

Email me: itsokaytobesmart AT gmail DOT com

Facebook: http://www.facebook.com/itsokaytobesmart

For more awesome science, check out: http://www.itsokaytobesmart.com

Produced by PBS Digital Studios: http://www.youtube.com/user/pbsdigitalstudios

Joe Hanson - Creator/Host/Writer

Joe Nicolosi - Director

Amanda Fox - Producer, Spotzen Inc.

Kate Eads - Producer

Andrew Matthews - Editing/Motion Graphics/Animation

Katie Graham - Camera

John Knudsen - Gaffer

Theme music: “Ouroboros” by Kevin MacLeod

Other music via APM

Stock images from Shutterstock, stock footage from Videoblocks (unless otherwise noted)