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95%VideoJul 2014

John Green visits a hospital in Ethiopia

(3:21) Vlogbrother John Green's visit to the Yekatit 12 Hospital in Addis Ababa, Ethiopia, where he met neonatologist Dr Mulualem Gessesse, who has saved the lives of thousands of children.


94%VideoAug 2013

Why are American health care costs so high?

(7:53) John Green discusses the reasons why the US spends so much more on health care than any other country, and on route reveals some surprising facts.


94%VideoApr 2013

Flags and helpers at the Boston Marathon bombing

(1:55) Vlogbrother John Green shares his thoughts about the Boston Marathon bombing, while on his way to the dentist.


94%VideoApr 2014

What boys look for in girls

(3:55) Everyone wants to be attractive, but what is attraction based on?

88%AnimationMay 2014

Mass incarceration in the US

(3:41) Hank Green on the messed up US penal system.

88%VideoSep 2015

Yellowstone: The Terror of Change

(3:43) Hank shares his thoughts from Yellowstone National Park, one of the coolest and most dangerous places on Earth.


88%VideoSep 2015

How are the UN's 'Millennium Development Goals' going?

(3:59) 8 goals to change the world forever.

88%VideoMar 2016

Life in Azraq refugee camp in northern Jordan

(4:12) John Green visits the Azraq refugee camp in northern Jordan and shares the experiences of two young Syrian sisters.

88%VideoJan 2017

How young is history?

(3:41) John Green looks at how cave paintings show that what we think of as history, is only a fraction of the human story.

87%VideoApr 2012

John visits an abandoned hospital

(3:29) VlogBrother John Green takes a tour of an abandoned hospital in downtown LA, sometimes used for the setting of horror movies.