SciShow
Take a Ride on the Interplanetary Superhighway
Normal interplanetary travel uses lots of fuel, but taking advantage of some quirks of gravity can let us travel between planets using hardly any fuel at all.
TED Talks
TED: Synthetic voices, as unique as fingerprints | Rupal Patel
Many of those with severe speech disorders use a computerized device to communicate. Yet they choose between only a few voice options. That's why Stephen Hawking has an American accent, and why many people end up with the same voice,...
Crash Course
How Words Can Harm: Crash Course Philosophy
Content warning: today’s episode contains language that some viewers might find upsetting and that may not be viewable in all settings. We’ve talking about how language works and how powerful it can be. Sometimes, that power can be...
SciShow
What the World’s Smallest Tweezers Tell Us About DNA
DNA isn’t the simple, loose double-helix you might see in a biology textbook, so isolating single strands of it can be next to impossible. But with some simple tricks of physics, scientists came up with a special type of tweezers that...
TED Talks
TED: What I learned from 2,000 obituaries | Lux Narayan
Lux Narayan starts his day with scrambled eggs and the question: "Who died today?" Why? By analyzing 2,000 New York Times obituaries over a 20-month period, Narayan gleaned, in just a few words, what achievement looks like over a...
TED-Ed
TED-ED: Mysteries of vernacular: Lady - Jessica Oreck and Rachael Teel
Why do we call women ladies? Well, etymologically-speaking, the word comes from the Old English words for hlaf (bread) and daege (maid), which, combined, mean the female head of the household and eventually indicated high social...
TED Talks
TED: A boat carrying 500 refugees sunk at sea. The story of two survivors | Melissa Fleming
Aboard an overloaded ship carrying more than 500 refugees, a young woman becomes an unlikely hero. This single, powerful story, told by Melissa Fleming of the UN's refugee agency, gives a human face to the sheer numbers of human beings...
TED Talks
TED: Make your actions on climate reflect your words⇥ | Severn Cullis-Suzuki
History has shown us that in moments of crisis, society can truly transform, says environmental educator Severn Cullis-Suzuki. Nearly 30 years ago, at just 12 years old, she spoke at the UN's Earth Summit in hopes of reversing the...
TED Talks
TED: Beautiful new words to describe obscure emotions | John Koenig
John Koenig loves finding words that express our unarticulated feelings -- like "lachesism," the hunger for disaster, and "sonder," the realization that everyone else's lives are as complex and unknowable as our own. Here, he meditates...
TED Talks
TED: How music streaming transformed songwriting | Björn Ulvaeus
Money, money, money ... in the music business, there seems to be little left for the songwriters that fuel it. ABBA co-founder Björn Ulvaeus calls for the industry to support its most valuable asset, breaking down how the streaming...
TED Talks
TED: 4 ways to build a human company in the age of machines | Tim Leberecht
In the face of artificial intelligence and machine learning, we need a new radical humanism, says Tim Leberecht. For the self-described "business romantic," this means designing organizations and workplaces that celebrate authenticity...
SciShow
Why We Like Bad News
Even if we say we prefer good news, we're wired to pay more attention to bad news. And while it might feel like the world is becoming a more scary, dangerous place, many things are actually better now than ever, and social media might be...
TED Talks
Shimon Schocken: What a bike ride can teach you
Computer science professor Shimon Schocken is also an avid mountain biker. To share the life lessons he learned while riding, he began an outdoor program with Israel's juvenile inmates and was touched by both their intense difficulties...
TED Talks
Joshua Prager: In search of the man who broke my neck
When Joshua Prager was 19, a devastating bus accident left him a hemiplegic. He returned to Israel twenty years later to find the driver who turned his world upside down. In this mesmerizing tale of their meeting, Prager probes deep...
SciShow
Landing on Europa!
NASA has proposed a mission that would land on Europa to search for signs of life & we've learned something sad about one of our neighbors, Proxima b.
Bozeman Science
AP Biology Lab 8: Population Genetics and Evolution
Mr. Andersen explains Hardy-Weinberg equilibrium and describes the bead lab.
SciShow
The Chinese Mission Finding Water on Mars
Several rovers on Mars's surface are currently in operation, including one you might not have heard of: China’s Zhurong rover. It's already spent over a year on the Martian surface and is bringing us ever closer to understanding the...
TED Talks
TED: A crash course in organic chemistry | Jakob Magolan
Jakob Magolan is here to change your perception of organic chemistry. In an accessible talk packed with striking graphics, he teaches us the basics while breaking the stereotype that organic chemistry is something to be afraid of.
SciShow
Thank Goodness for Chlamydia(e)
The group of bacteria known as Chlamydiae doesn't do much to endear itself to us since these bacteria can cause a variety of illnesses. But it turns out that we may have Chlamydiae to thank for life as we know it!
TED-Ed
TED-ED: Mary's Room: A philosophical thought experiment - Eleanor Nelsen
Imagine a neuroscientist who has only ever seen black and white things, but she is an expert in color vision and knows everything about its physics and biology. If, one day, she sees color, does she learn anything new? Is there anything...
TED-Ed
TED-Ed: Ancient Greece's greatest popstar | Diane J. Rayor
Over 2,500 years ago, one of ancient Greece's most celebrated popstars and erotic poets enraptured listeners. The singer-songwriter offered a uniquely intimate perspective on love, passion, and longing, and was the first on record to...
TED Talks
Pamelia Kurstin: The untouchable music of the theremin
Virtuoso Pamelia Kurstin performs and discusses her theremin, the not-just-for-sci-fi electronic instrument that is played without being touched. Songs include "Autumn Leaves," "Lush Life" and David Mash’s "Listen, Words Are Gone."
SciShow
Why Do We Talk To Dogs Like That
Why is it that every time you see an adorable puppy in the park or outside a cafe your voice suddenly jumps up about two octaves and you’re talking total gooey nonsense? If you watch this episode to find out, you can have a treat and...