SciShow
Why Would a Butterfly Need a Bridge?
Meet the Duke of Burgundy, a species of butterfly that was saved from certain doom, thanks to a bridge.
SciShow
A Vaccine for Asthma? #inmice | SciShow News
A vaccination to protect against allergic asthma may be in sight, as scientists this week publish promising results in mice. Also, the California Condor is making a comeback, and its genome is looking great!
3Blue1Brown
What's so special about Euler's number e? | Essence of calculus, chapter 5
What is the derivative of a^x? Why is e^x its own derivative? This video shows how to think about the rule for differentiating exponential functions.
PBS
The Two People We're All Related To
Due to an odd quirk of genetics and some unique evolutionary circumstances, two humans who lived at different times in the distant past managed to pass on a very small fraction of their genomes to you. And to me. To all of us.
TED Talks
Julian Burschka: What your breath could reveal about your health
There's no better way to stop a disease than to catch and treat it early, before symptoms occur. That's the whole point of medical screening techniques like radiography, MRIs and blood tests. But there's one medium with overlooked...
TED Talks
Rose M. Mutiso: How to bring affordable, sustainable electricity to Africa
Energy poverty, or the lack of access to electricity and other basic energy services, affects nearly two-thirds of Sub-Saharan Africa. As the region's population continues to increase, so will the need to build a new energy system to...
TED Talks
TED: Future tech will give you the benefits of city life anywhere | Julio Gil
Don't believe predictions that say the future is trending towards city living. urbanization is actually reaching the end of its cycle, says logistics expert Julio Gil, and soon more people will be choosing to live (and work) in the...
SciShow
Will We Ever Run Out of Dinosaurs?
Some paleontologists wonder how many species of dinosaurs are left for us to discover, and how many fossils of them are out there. Find out how long the experts think the world's supply of dinosaur fossils will last!
SciShow
There's a Single-Celled Dog
Is it possible for there to be a dog that is made of one very determined cell?
TED Talks
Ian Goldin: Navigating our global future
As globalization and technological advances bring us hurtling towards a new integrated future, Ian Goldin warns that not all people may benefit equally. But, he says, if we can recognize this danger, we might yet realize the possibility...
TED Talks
Hans Rosling: Religions and babies
Hans Rosling had a question: Do some religions have a higher birth rate than others -- and how does this affect global population growth? Speaking at the TEDxSummit in Doha, Qatar, he graphs data over time and across religions. With his...
TED Talks
TED: Let's bridge the digital divide! | Aleph Molinari
Five billion people can't use the internet. Aleph Molinari empowers digitally excluded people, by giving them access to computers and sharing the know-how to use them.
MinutePhysics
Simpson's Paradox
This video is about Simpson's paradox, a statistical paradox and ecological fallacy where seemingly contradictory results are implied by a single set of data depending on how it's grouped. The paradox can arise in medical studies,...
TED Talks
TED: How urban agriculture is transforming Detroit | Devita Davison
There's something amazing growing in the city of Detroit: healthy, accessible, delicious, fresh food. In a spirited talk, fearless farmer Devita Davison explains how features of Detroit's decay actually make it an ideal spot for urban...
TED Talks
Gregory Petsko: The coming neurological epidemic
Biochemist Gregory Petsko makes a convincing argument that, in the next 50 years, we'll see an epidemic of neurological diseases, such as Alzheimer's, as the world population ages. His solution: more research into the brain and its...
SciShow
Will COVID-19 Go Away in the Summer?
COVID-19 has the potential to ebb and flow with the seasons, but because it's a novel pandemic, that doesn't mean we're off the hook this summer.
SciShow
What Do We Know About T Cells and COVID-19 Immunity? | SciShow News
There's another theory about the Covid-19 pandemic going around, and while it is pretty cool, it's not exactly the solution some are suggesting it might be.
SciShow
SciShow Talk Show: Dr. Jeff Good & Cas the Arctic Fox
Welcome back to SciShow Talk Show where Hank talks with Dr. Jeff Good about seasonal animal adaptations. Special guest Jessi Knudsen Castañeda with Cas the Arctic Fox.
SciShow
Disease Ecology | SciShow Talk Show
Dr. Angie Luis is here to tell Hank about wildlife that spread diseases to humans, and Jessi brings some wildlife that don’t.
TED Talks
Wajahat Ali: The case for having kids
The global fertility rate, or the number of children per woman, has halved over the last 50 years. What will having fewer babies mean for the future of humanity? In this funny, eye-opening talk, journalist (and self-described exhausted...
TED Talks
Niall Ferguson: The 6 killer apps of prosperity
Over the past few centuries, Western cultures have been very good at creating general prosperity for themselves. Historian Niall Ferguson asks: Why the West, and less so the rest? He suggests half a dozen big ideas from Western culture...
TED Talks
Juan Enriquez: Will our kids be a different species?
Throughout human evolution, multiple versions of humans co-existed. Could we be mid-upgrade now? Juan Enriquez sweeps across time and space to bring us to the present moment -- and shows how technology is revealing evidence that suggests...
SciShow
How Much Humanity Weighs
Hank gives us a summary of a strange new calculation, which estimates the total body mass of all the humans on earth.
TED Talks
TED: The surprising way groups like ISIS stay in power | Benedetta Berti
ISIS, Hezbollah, Hamas. These three very different groups are known for violence — but that’s only a portion of what they do, says policy analyst Benedetta Berti. They also attempt to win over populations with social work: setting up...