TED Talks
TED: How economic inequality harms societies | Richard Wilkinson
We feel instinctively that societies with huge income gaps are somehow going wrong. Richard Wilkinson charts the hard data on economic inequality, and shows what gets worse when rich and poor are too far apart: real effects on health,...
SciShow
5 Ways to Use Your Body as a Charger
Devices that collect data about our bodies need power, but they also might need to be very small or even ingestible. To avoid including batteries in these cases, researchers are looking for ways to harvest energy from the body itself.
Crash Course
Drugs, Dyes, & Mass Transfer: Crash Course Engineering #16
Today we’re talking about mass transfer. It doesn’t just apply to objects and fluids as a whole, but also to the individual molecules and components that make them up. We’ll see that transfers of mass need their own driving force,...
Crash Course
Leonardo DiCaprio & The Nature of Reality: Crash Course Philosophy
Today Hank gains insight from that most philosophical of figures...Leonardo DiCaprio. In this episode, we’re talking about the process of philosophical discovery and questioning the relationship between appearance and reality by taking a...
TED Talks
P.J. Parmar: How doctors can help low-income patients (and still make a profit)
Modern American health care is defined by its high costs, high overhead and inaccessibility -- especially for low-income patients. What if we could redesign the system to serve the poor and still have doctors make money? In an...
TED-Ed
TED-ED: The scientific origins of the Minotaur - Matt Kaplan
The myth of the Minotaur tells the story of an enraged beast forever wandering the corridors of a damp labyrinth, filled with a rage so intense that its deafening roar shakes the earth. But is this story just fiction, or an attempt of...
SciShow
SciShow Quiz Show: Humans, Airplanes, and Sex
What happens if you eat too many raw eggs? What are those little rods sticking out of airplane wings? All this, and more as Nicole Sweeney, host of Crash Course Sociology, faces off against Hank in an episode of the SciShow Quiz Show.
SciShow
Why Are Some People So Bad at Singing?
“Singing badly” doesn’t just mean someone might be tone-deaf. In some cases, it’s more than just not being able to carry the right tune, and it just might be because of a condition called congenital amusia.
SciShow
The Science of Lewy Body Dementia
This week in SciShow News we dissect what a Lewy Body is and what they are capable of doing.
SciShow
How Twitter Bots Use Psychology to Fool You
Whether in a good way or a bad way, Twitter bots use psychology to trick you.
SciShow
Why are We So Much Chubbier than Other Apes?
Chimpanzees and bonobos may be very close to us humans on the tree of life, but one of our differences is the way we store fat. That difference comes down to types of fat cells and our DNA.
SciShow
Hurricane Sandy FAQs
In the wake of Hurricane Sandy, Hank answers some frequently asked questions about it, and how it got to be so crazy. What is up with this storm? Has this ever happened before? This is global warming right?
TED Talks
Jane Fonda: Why I protest for climate justice
At age 81, actor and activist Jane Fonda is putting herself on the line for the planet -- literally. In a video interview with TEDWomen curator Pat Mitchell, Fonda speaks about getting arrested multiple times during Fire Drill Fridays,...
SciShow
Do Brown Eyes See Better?
Since eye color is determined by chemical and structural differences in the eye, it seems logical that different eye colors see the world in different ways.
PBS
Supervoids vs Colliding Universes!
If you study a map of the Cosmic Microwave Background, or CMB, you may notice a large, deep blue splotch on the lower right. This area, creatively named the Cold Spot. Is this feature a statistical fluke, the signature of vast...
TED Talks
TED: How wind energy could power Earth ... 18 times over | Dan Jørgensen
Over the last two decades, the wind power industry has grown at a dizzying pace. (Fun fact: a single rotation from one of the world's most powerful wind turbines can generate enough electricity to charge more than 1,400 cell phones.)...
SciShow
SciShow Quiz Show with Phil Plait: Sperm, Whales, and Sperm Whales
Hank and Phil Plait dive deep into questions about gametes and sea mammals in this episode of SciShow Quiz Show!
SciShow
Hottest Year Ever, and Amazing Gecko-Man Getup!
SciShow News explains the latest climate weirdness, and why the Global Warming Hiatus wasn’t really what it sounded like. Plus, see how humans have harnessed the climbing power of the gecko!
TED Talks
David Brooks: Should you live for your r_sum_ ... or your eulogy?
Within each of us are two selves, suggests David Brooks in this meditative short talk: the self who craves success, who builds a r_sum_, and the self who seeks connection, community, love -- the values that make for a great eulogy....
SciShow
Why Do Dogs Tilt Their Heads?
There's no question that a dog tilting its head is one of the cutest things possible, but why do they do it?
3Blue1Brown
Essence of calculus, chapter 1
An overview of what calculus is all about, with an emphasis on making it seem like something students could discover for themselves. The central example is that of rediscovering the formula for a circle's area, and how this is an...
MinutePhysics
The Arrow of Time feat. Sean Carroll
Why is the past different from the future? Caltech physicist Sean Carroll explains how the arrow of time is not an intrinsic property of physics, but rather an emergent feature.
TED Talks
Wendy Chung: Autism — what we know (and what we don't know yet)
In this factual talk, geneticist Wendy Chung shares what we know about autism spectrum disorder — for example, that autism has multiple, perhaps interlocking, causes. Looking beyond the worry and concern that can surround a diagnosis,...
TED Talks
Kevin Kelly: How technology evolves
Tech enthusiast Kevin Kelly asks "What does technology want?" and discovers that its movement toward ubiquity and complexity is much like the evolution of life.