SciShow
Spotted One of the Fastest Pulsars Ever Seen SciShow News.mp4
Astronomers have found a new celestial object, and it's moving really, really fast!
SciShow
Scientists Pull RNA from a 14,000 Year-Old Wolf | SciShow News
This week in news, a discovery in genetics that was once thought unbelievable, and a parrot so large that it shakes up what we know about avian evolution.
TED Talks
TED: Fighters and mourners of the Ukrainian revolution | Anastasia Taylor-Lind
“Men fight wars, and women mourn them,” says documentary photographer Anastasia Taylor-Lind. With stark, arresting images from the Maidan protests in Ukraine, the TED Fellow shows us intimate faces from the revolution. A grim and...
TED Talks
TED: Why stay in Chernobyl? Because it's home. | Holly Morris
Chernobyl was the site of the world's worst nuclear accident and, for the past 27 years, the area around the plant has been known as the Exclusion Zone. And yet, a community of about 200 people live there -- almost all of them elderly...
MinuteEarth
The Plankton Paradox
The competitive exclusion principle predicts that there would just be a few species of plankton, but instead there are thousands.
TED Talks
The case for anonymity online - Christopher "moot" Poole"
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. The founder of 4chan, a controversial, uncensored online imageboard, describes its subculture, some of the Internet...
TED Talks
TED: How an old loop of railroads is changing the face of a city Ryan Gravel
Urban planner Ryan Gravel shares the story of how his hometown of Atlanta, Georgia, rallied to build a massive urban park that will transform an abandoned railroad track into 22 miles of public green space called the Atlanta BeltLine....
TED Talks
TED: How an old loop of railroads is changing the face of a city | Ryan Gravel
urban planner Ryan Gravel shares the story of how his hometown of Atlanta, Georgia, rallied to build a massive urban park that will transform an abandoned railroad track into 22 miles of public green space called the Atlanta BeltLine....
TED Talks
TED: The next outbreak? We're not ready | Bill Gates
In 2014, the world avoided a global outbreak of Ebola, thanks to thousands of selfless health workers -- plus, frankly, some very good luck. In hindsight, we know what we should have done better. So, now's the time, Bill Gates suggests,...
TED Talks
TED: The fight to end rare-animal trafficking in Brazil | Juliana Machado Ferreira
Biologist Juliana Machado Ferreira, a TED Senior Fellow, talks about her work helping to save birds and other animals stolen from the wild in Brazil. Once these animals are seized from smugglers, she asks, then what?
SciShow
Why Avocados Shouldn't Exist
The avocado is highly regarded by many people as delicious and nutritious, but the most extraordinary thing about avocados may be their very existence.
TED Talks
TED: The secret to effective nonviolent resistance | Jamila Raqib
We're not going to end violence by telling people that it's morally wrong, says Jamila Raqib, executive director of the Albert einstein Institution. Instead, we must find alternative ways to conduct conflict that are equally powerful and...
TED Talks
AJ Jacobs: The world's largest family reunion ... we're all invited!
You may not know it yet, but AJ Jacobs is probably your cousin (many, many times removed). Using genealogy websites, he's been following the unexpected links that make us all, however distantly, related. His goal: to throw the world's...
TED Talks
Erin Sullivan: Does photographing a moment steal the experience from you?
When we witness something amazing, many of us instinctively pull out our phones and snap pictures. Is this obsession with photographing everything impacting our experiences? In a meditative talk, Erin Sullivan reflects on how being more...
SciShow
The Rise and Fall of Cahokia: North America’s First City
They often don’t get as much attention, but North America had major cities long before European colonizers arrived, but the residents left behind no written history. How have archaeologists pieced together the details of these population...
SciShow
The First Results on the Interstellar Asteroid!
Our asteroid news edition this week clears up some misleading headlines regarding 3200 Phaethon, and our interstellar visitor has both a new name and a shape we haven’t seen before.
SciShow
How Hyraxes Preserve the Past in Poo
Scientists who piece together our past can do so through the rare fossil or artifact, or they can go to one convenient location: a hyrax latrine.
SciShow
The Deepest Sound in the Universe
Thanks to X-ray telescopes, scientists in the 1970s found the first real evidence that black holes actually existed, and astronomer Andrew Fabian has used X-ray research to unlock incredible mysteries ever since, including a giant sound...
TED Talks
Cameron Sinclair: The refugees of boom-and-bust
At TEDGlobal U, Cameron Sinclair shows the unreported cost of real estate megaprojects gone bust: thousands of migrant construction laborers left stranded and penniless. To his fellow architects, he says there is only one ethical response.
TED Talks
TED: The small and surprisingly dangerous detail the police track about you | Catherine Crump
A very unsexy-sounding piece of technology could mean that the police know where you go, with whom, and when: the automatic license plate reader. These cameras are innocuously placed all across small-town America to catch known...
TED Talks
TED: Hooked by an octopus | Mike deGruy
Underwater filmmaker Mike deGruy has spent decades looking intimately at the ocean. A consummate storyteller, he takes the stage at Mission Blue to share his awe and excitement -- and his fears -- about the blue heart of our planet.
SciShow
We May Have a COVID Vaccine in 2021, But Not Without Taking Risks
Right now, experts say a vaccine for COVID-19 is a year or more away. But as far away as it sounds, it’s only within the realm of possibility because scientists are speeding up the vaccine development process in surprising ways.
3Blue1Brown
What is backpropagation really doing? | Deep learning, chapter 3
An overview of backpropagation, the algorithm behind how neural networks learn.
SciShow
How Worried Should You Be About Smart Home Security?
As we hurtle through the development of the digital world, it's important to keep in mind the security implications of the technology we use.