TED Talks
TED: When technology can read minds, how will we protect our privacy? | Nita Farahany
Tech that can decode your brain activity and reveal what you're thinking and feeling is on the horizon, says legal scholar and ethicist Nita Farahany. What will it mean for our already violated sense of privacy? In a cautionary talk,...
TED Talks
TED: The world doesn't need more nuclear weapons | erika Gregory
Today nine nations collectively control more than 15,000 nuclear weapons, each hundreds of times more powerful than those dropped on Hiroshima and Nagasaki. We don't need more nuclear weapons; we need a new generation to face the...
TED Talks
James Stavridis: A Navy Admiral's thoughts on global security
Imagine global security driven by collaboration -- among agencies, government, the private sector and the public. That's not just the distant hope of open-source fans, it's the vision of James Stavridis, a US Navy Admiral. Stavridis...
Crash Course
Hackers & Cyber Attacks: Crash Course Computer Science
Today we're going to talk about hackers and their strategies for breaking into computer systems. Now, not all hackers are malicious cybercriminals intent on stealing your data (these people are known as Black Hats). There are also White...
SciShow
Attachment Theory: How Your Childhood Shaped You
Our interpersonal relationships start forming as soon as we’re born, and psychologists have studied how those early connections can set the stage for the other relationships we form later in life.
SciShow
The Science of Airport Security
Long lines, being patted down, and having your hands swabbed don't make for a wonderful day, but Michael Aranda explains the machines you encounter in airport security and the science and technology behind them.
3Blue1Brown
How secure is 256 bit security? Cryptocurrency - Part 2 of 2
When a piece of cryptography is described as having "256-bit security", what exactly does that mean? Just how big is the number 2^256?
TED Talks
TED: What it's like to be a parent in a war zone | Aala el-Khani
How do parents protect their children and help them feel secure again when their homes are ripped apart by war? In this warm-hearted talk, psychologist Aala el-Khani shares her work supporting -- and learning from -- refugee families...
TED Talks
TED: A vision of crimes in the future | Marc Goodman
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. The world is becoming increasingly open, and that has implications both bright and dangerous. Marc Goodman paints a...
TED Talks
Bruce Schneier: The security mirage
The feeling of security and the reality of security don't always match, says computer-security expert Bruce Schneier. In his talk, he explains why we spend billions addressing news story risks, like the "security theater" now playing at...
TED Talks
David Birch: A new way to stop identity theft
Bartenders need to know your age, retailers need your PIN, but almost no one actually needs your name -- except for identity thieves. ID expert David Birch proposes a safer approach to personal identification -- a "fractured" approach --...
TED Talks
Mikko Hypponen: How the NSA betrayed the world's trust -- time to act
Recent events have highlighted, underlined and bolded the fact that the United States is performing blanket surveillance on any foreigner whose data passes through an American entity -- whether they are suspected of wrongdoing or not....
TED Talks
TED: Your smartphone is a civil rights issue | Christopher Soghoian
The smartphone you use reflects more than just personal taste ... it could determine how closely you can be tracked, too. Privacy expert and TED Fellow Christopher Soghoian details a glaring difference between the encryption used on...
SciShow
How the Massive Equifax Data Breach Happened
There was a massive data breach in the United States, and chances are you're probably affected by it. While Hank can't undo what was done, he can give you some insight into how it all went down.
Crash Course
Cybersecurity: Crash Course Computer Science
Cybersecurity is a set of techniques to protect the secrecy, integrity, and availability of computer systems and data against threats. In today’s episode, we’re going to unpack these three goals and talk through some strategies we use...
Crash Course
Contractarianism: Crash Course Philosophy
Today we explore the penultimate ethical theory in this unit: contractarianism. Hank explains Hobbes’ state of nature, and implicit and explicit contracts, as well as the Prisoner’s Dilemma, and the benefits, and costs, of violating...
TED Talks
TED: How young people join violent extremist groups -- and how to stop them | erin Marie Saltman
Terrorists and extremists aren't all naturally violent sociopaths -- they're deliberately recruited and radicalized in a process that doesn't fit into a neat pattern. erin Marie Saltman discusses the push and pull factors that cause...
SciShow
How Do Chips Make Credit Cards More Secure?
If you live in the United States, you might have recently gotten a credit card with a microchip on it. But what does this chip do that makes it any different than the magnetic strip on the back of the card?
Curated Video
Germany Values
New ReviewThe German view of the world has been shaped by the country’s complex, at times turbulent, history and by its position at the geographical heart of Europe. The very idea of a German nation was not even a real possibility until the...
Curated Video
South Africa Security
New ReviewSouth Africa has a serious crime problem, so ensuring your safety, and that of everyone you’re traveling with, will need to be a high priority while you’re in the country. At the same time, there’s no need to be paranoid. As in most...
Curated Video
Mexico Managing Personal Security
New ReviewCrime is a serious concern to visitors and residents of Mexico—with good reason. The problem has become worse in recent years because of the alarming rise in unemployment and poverty. Police mismanagement and corruption have only...
Curated Video
Japan Security
New ReviewWhile Japan has long been considered extremely safe, no country, of course, is 100 percent safe. Economic problems have led to greater unemployment, and, according to the Japanese, relatively lower moral standards. A few years ago, any...
Curated Video
Cisco CCNA 200-301: The Complete Guide to Getting Certified - A (Very) Basic Introduction to Networking
New ReviewIn this video, get an overview of basic networking principles, laying the groundwork for more advanced topics.
Curated Video
Cisco CCNA 200-301: The Complete Guide to Getting Certified - Why Passing the CCNA is Going to Turbo Charge Your Career
New ReviewIn this video, learn about the career-boosting benefits of earning the CCNA certification and how it opens up new opportunities in networking.