SciShow
4 Things We've Forgotten How to Make
Our knowledge of specific technologies or techniques can sometimes be lost to time. And that can be because of changing economic conditions, or, sometimes, it's because the technology was so deadly that only a few were allowed to know it.
SciShow
How Space Might Have Shaped Our DNA
The DNA inside our cells almost exclusively twists in one direction, but the reason for this might be out of this world!
TED Talks
Farida Nabourema: Is your country at risk of becoming a dictatorship? Here's how to know
Farida Nabourema has dedicated her life to fighting the military regime in Togo, Africa's oldest autocracy. She's learned two truths along the way: no country is destined to be oppressed -- and no country is immune to dictatorship. But...
TED Talks
Sonia Shah: 3 reasons we still haven’t gotten rid of malaria
We’ve known how to cure malaria since the 1600s, so why does the disease still kill hundreds of thousands every year? It’s more than just a problem of medicine, says journalist Sonia Shah. A look into the history of malaria reveals three...
TED Talks
Jack Andraka: A promising test for pancreatic cancer ... from a teenager
Over 85 percent of all pancreatic cancers are diagnosed late, when someone has less than two percent chance of survival. How could this be? Jack Andraka talks about how he developed a promising early detection test for pancreatic cancer...
TED Talks
Christopher Soghoian: Government surveillance — this is just the beginning
Privacy researcher Christopher Soghoian sees the landscape of government surveillance shifting beneath our feet, as an industry grows to support monitoring programs. Through private companies, he says, governments are buying technology...
TED Talks
TED: How to find a wonderful idea | OK Go
Where does OK Go come up with ideas like dancing in zero gravity, performing in ultra slow motion or constructing a warehouse-sized Rube Goldberg machine for their music videos? In between live performances of "This Too Shall Pass" and...
TED Talks
Michael Archer: How we'll resurrect the gastric brooding frog, the Tasmanian tiger
The gastric brooding frog lays its eggs just like any other frog -- then swallows them whole to incubate. That is, it did until it went extinct 30 years ago. Paleontologist Michael Archer makes a case to bring back the gastric brooding...
SciShow
The Tiny Experiment That Transformed Physics
In 1956, a team of scientists conducted an experiment that, seemed kind of trivial, but the results would challenge one of our fundamental beliefs about the entire universe.
TED Talks
TED: Can we build AI without losing control over it? | Sam Harris
Scared of superintelligent AI? You should be, says neuroscientist and philosopher Sam Harris -- and not just in some theoretical way. We're going to build superhuman machines, says Harris, but we haven't yet grappled with the problems...
SciShow
How Do Parrots Talk Like Humans?
Are parrots just good at imitating sounds or is there something else that separates them from other birds?
TED Talks
Christopher Soghoian: How to avoid surveillance ... with the phone in your pocket
Who is listening in on your phone calls? On a landline, it could be anyone, says privacy activist Christopher Soghoian, because surveillance backdoors are built into the phone system by default, to allow governments to listen in. But...
SciShow
Why Can't Dogs Eat Chocolate?
It’s hard to say 'no' to puppy eyes, so here’s some information you can share with your pets next time you unwrap that chocolate bar
PBS
Are MP3s & Vinyl Better than Live Music?
If you've ever talked to a vinyl purist (or are one yourself) you know that people can be pretty passionate about what format is king when it comes to music. And based on how much people like to brag about what band they saw live and how...
SciShow
Take a Trip Through Space!
Take a trip through our star area, using only the ten hundred most used words, inspired by Randall Munroe of XKCD.
TED Talks
Henry Markram: A brain in a supercomputer
Henry Markram says the mysteries of the mind can be solved -- soon. Mental illness, memory, perception: they're made of neurons and electric signals, and he plans to find them with a supercomputer that models all the brain's...
SciShow
That’s Probably Not a Spider Bite
Unless you saw the spider bite you, that swollen, bite-looking lesion on your arm is probably something else, and blaming it on an innocent 8-legged critter might do more harm than good.
SciShow
Why Does Everything Stink Less in Winter?
There are lots of reasons stinky things don’t smell as strong in cold weather. You can maybe guess some of the reasons, but others may surprise you!
TED Talks
TED: How we can curb climate change by spending two percent more on everything | Jens Burchardt
Would you pay two percent more for the carbon-neutral version of the products you buy and use every day? In this innovative talk, climate pathfinder Jens Burchardt walks us through the costs and considerations of producing...
SciShow
Why Are Your Headphones Always in a Knot
Is there any hope for those of us plagued by headphone tangles?
TED Talks
TED: The power of venom -- and how it could one day save your life | Mandë Holford
Venom can kill ... or it can cure. In this fascinating talk, marine chemical biologist Mandë Holford shares her research into animal venom, from killer sea snails to platypuses and slow lorises -- and explores its potential to one day...
SciShow
Why Killer Whales Migrate (It's Not Why You Think)
Killer whales migrate thousands of kilometers across oceans, because it's good for their skin?
Crash Course
Natural Law Theory: Crash Course Philosophy
Our exploration of ethical theories continues with another theistic answer to the grounding problem: natural law theory. Thomas Aquinas’s version of this theory says that we all seek out what’s known as the basic goods and argued that...