SciShow
Let's Go To Mars
Hank discusses the challenges involved in manned space travel to Mars, and sends us a message from his 17-year-old self.
SciShow
Some Mammals Can Just… Pause Pregnancy
We generally think of pregnancy as a continuous process, but scientists have recently discovered mechanisms that allow for certain mammals to put the development of a fetus on pause.
SciShow
Why Do We Get Colds When It's Cold?
The temperature drops and you're more likely to get a cold: Is this correlation or causation?
SciShow
Why Did You Skip a Period?
Have you had a normal menstrual cycle and then you suddenly miss a period? There are different reasons why this can happen, and if you don't experience a period you were expecting, you’ll probably want to talk to your health care...
TED-Ed
TED-Ed: What caused the Rwandan Genocide? | Susanne Buckley-Zistel
For one hundred days in 1994, the African country of Rwanda suffered a horrific campaign of mass murder. Neighbor turned against neighbor as violence engulfed the region, resulting in the deaths of over one-tenth of the country's...
TED-Ed
TED-Ed: The epidemics that almost happened | George Zaidan
In 2013, an Ebola outbreak began in Guinea. The country had no formal response system and the outbreak became the largest Ebola epidemic in recorded history. Guinea then completely overhauled their response system, and were able to...
TED Talks
TED: How bad data traps people in the US justice system | Clementine Jacoby
Right now, hundreds of thousands of people are "stuck" in the US criminal justice system. They've completed all of their requirements for release, but nobody knows it because the system is run on old databases that don't talk to each...
TED-Ed
TED-Ed: When did slavery actually end in the United States? | Karlos Hill and Soraya Field Fiorio
At the end of the Civil War, though slavery was technically illegal in all states, it still persisted in the last bastions of the Confederacy. This was the case when Union General Gordon Granger marched his troops into Galveston, Texas...
TED Talks
TED: A new social contract for global climate justice | Huma Yusuf
Pakistan contributes less than one percent to the global greenhouse gas emissions perpetrating climate change, yet one-third of the country was recently inundated with "biblical" floods that killed hundreds and displaced millions. If...
PBS
A community overwhelmed by opioids
At the epicenter of America's opioid epidemic, Huntington, West Virginia’s
growing addiction problem has overwhelmed everyone from first responders to
business owners to newborns. So far, the city's robust efforts to fight
back...
Curated Video
WRAP Businesses and airport reopening, recovery, cleanup
1. Man dragging fallen tree limbs out of New Orleans streets
2. More of men cleaning up fallen trees
3. Workers in yellow hard hats chopping up trees
4. Workers carrying away large pieces of trees
5. Wide pan of the Louis Armstrong New...
PBS
Underground Railroad
Jeffrey Brown looks at the newly-opened National Underground Railroad Freedom Center, which chronicles the struggle of slaves seeking freedom in pre-Civil War America.
TED Talks
Aja Monet and phillip agnew: A love story about the power of art as organizing
In a lyrical talk full of radical imagination, poet Aja Monet and community organizer phillip agnew share the story of how they fell in love and what they've learned about the powerful connection between great social movements and...
TED-Ed
TED-Ed: The science of milk - Jonathan J. O'Sullivan
The milk industry produces in excess of 840 million tons of products each year. Why do humans drink so much milk? And given that all mammals lactate, why do we favor certain types of milk over others? Jonathan J. O'Sullivan describes how...
TED Talks
Suzanne Lee: Why "biofabrication" is the next industrial revolution
What if we could "grow" clothes from microbes, furniture from living organisms and buildings with exteriors like tree bark? TED Fellow Suzanne Lee shares exciting developments from the field of biofabrication and shows how it could help...
TED-Ed
TED-Ed: How fast can a vaccine be made?
When a new pathogen emerges, our bodies and healthcare systems are left vulnerable. And when this pathogen causes the outbreak of a pandemic, there’s an urgent need for a vaccine to create widespread immunity with minimal loss of life....
TED Talks
My wish: Let my photographs bear witness - James Nachtwey
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. Accepting his 2007 TED Prize, war photographer James Nachtwey shows his life's work and asks TED to help him...
TED Talks
TED: Is the pandemic actually over? It's complicated | Anthony Fauci
Be spreaders of facts and truths, says scientist and immunologist Dr. Anthony Fauci. Having advised seven US presidents on various disease outbreaks including COVID-19, he shares insights on the present and future of pandemics, backed up...
SciShow
Bad Science: Breast Milk and Formula
We've all heard, “breast is best," but is it true? What's the real science behind breast milk and baby formula?
SciShow
8 Beautiful, Weird, and Scary Things Ice Can Do
Frozen water molecules don’t seem to be all that interesting. But, these eight weird things that ice can do are truly mind-boggling. Chapters View all ICE SPIKES 0:40 FROST QUAKES 2:36 FROST FLOWERS: LAND 3:26 FROST FLOWERS: SEA ICE 4:22...
TED Talks
TED: The need for family reunification -- to make families whole again | Elizabeth Zion
I want all families to be made whole, to be reunified, to be together -- as is our right, says writer, poet and student Elizabeth Zion. In this profoundly moving talk, Zion shares the impacts of family separation, including her personal...
SciShow
Why Is Riding a Bike 'Just Like Riding a Bike?'
Even if it's been a while since you last rode a bike, you could probably ride it again without going through the training wheel phase. It’s because our brains do some fascinating works to store those memories.
TED Talks
TED: What we can do to die well | Timothy Ihrig
The healthcare industry in America is so focused on pathology, surgery and pharmacology -- on what doctors "do" to patients -- that it often overlooks the values of the human beings it's supposed to care for. Palliative care physician...
SciShow
6 Stupid and Dangerous Things Scientists Did to Themselves
From poking their own eyes, to drinking a patient's vomit, some extremely passionate scientists have done pretty outrageous things to themselves in the name of science.