PBS
The First Humans on Mars
Elon Musk's SpaceX program proposes that 100 people could be sent to colonize Mars within 10 years. What might that colony look like?
TED Talks
Naomi Klein: Addicted to risk
Days before this talk, journalist Naomi Klein was on a boat in the Gulf of Mexico, looking at the catastrophic results of BP's risky pursuit of oil. Our societies have become addicted to extreme risk in finding new energy, new financial...
SciShow
The Science of Dank Memes
Since you're on YouTube, you probably know what a meme is; but what is it really and how does it go viral?
SciShow
Is There Really An Infinite Multiverse? - Stephen Hawking's Last Paper
Just a few days before he died, Stephen Hawking submitted one last research paper using string theory math to talk about the multiverse.
SciShow
5 Amazing Feats of Animal Engineering
You might consider humans or beavers to be the best engineers on the planet, but these 5 other animals go to great lengths to put our houses and dams to shame. Chapters SOCIABLE WEAVER 0:38 GREAT BOWERBIRD 2:13 PUFFERFISH 3:39 4 ORIENTAL...
SciShow
Why Ouija Boards Are So Convincing
If you've ever played with a ouija board, you might have gotten the spooky sensation of an other worldly presence. But really, that's just your brain playing tricks on you.
TED Talks
TED: Averting the climate crisis | Al Gore
With the same humor and humanity he exuded in "An Inconvenient Truth," Al Gore spells out 15 ways that individuals can address climate change immediately, from buying a hybrid to inventing a new, hotter brand name for global warming.
Be Smart
Does My Dog Know What I'm Thinking?
Do you ever talk to your dog? Do they ever talk back? Humans and dogs have a truly amazing relationship, developed along an evolutionary journey that goes back nearly 10,000 years. Do they really understand what we say, think, and feel?...
TED Talks
TED: What the sugar coating on your cells is trying to tell you | Carolyn Bertozzi
Your cells are coated with sugars that store information and speak a secret language. What are they trying to tell us? Your blood type, for one -- and, potentially, that you have cancer. Chemical biologist Carolyn Bertozzi researches how...
SciShow
6 Animal Noses That Outsniff Dogs
Dogs are humanity’s go-to friend when it comes to super sniffers, but here are 6 other creatures that give puppers a run for their money.
SciShow
This Stellar Blast Showered the Universe with… Calcium | SciShow News
We knew some stars created large amounts of calcium, but no one really ever knew how...until now! Plus, astrophysicists believe they’ve finally seen evidence of the star that created one of the most important supernovas ever!
MinuteEarth
Rain's Dirty Little Secret
Want to learn more about the topic in this week's video? Here are some key words/phrases to get your googling started: - Condensation - the process of water molecules glomming together into visible droplets - Condensation nuclei - tiny...
TED Talks
TED: What are the most important moral problems of our time? | Will MacAskill
Of all the problems facing humanity, which should we focus on solving first? In a compelling talk about how to make the world better, moral philosopher Will MacAskill provides a framework for answering this question based on the...
SciShow
Why Do Manatees Die When Power Plants Shut Down?
While the Florida manatee is threatened by human activity in a myriad of ways, perhaps the most surprising among those threats is the closing of aging power plants.
SciShow
Why Do Kids Puke So Much?
Anyone who’s frequently around kids knows that they throw up a lot, and at seemingly weird times. But there are some interesting biological reasons why that might be!
SciShow
3 Things Your Dog Should Not Be Doing
Dogs do a lot of weird things, and sometimes they're funny enough to post on Tumblr. But before you do, make sure li'l Scamp isn't doing any of these three things -- because they spell trouble.
PBS
What do MP3s and Magic Spells Have in Common?
Both spells and music were born from a freely available folk culture, but are now sold as commercial goods. There are thousands of artists (and witches!) trying to figure out how to make a living in an age where their products can be...
TED Talks
Daniel Goldstein: The battle between your present and future self
Every day, we make decisions that have good or bad consequences for our future selves. (Can I skip flossing just this one time?) Daniel Goldstein makes tools that help us imagine ourselves over time, so that we make smart choices for...
TED Talks
TED: Forget Wi-Fi. Meet the new Li-Fi Internet | Harald Haas
What if we could use existing technologies to provide Internet access to the more than 4 billion people living in places where the infrastructure can't support it? using off-the-shelf LeDs and solar cells, Harald Haas and his team have...
TED Talks
TED: If a story moves you, act on it | Sisonke Msimang
Stories are necessary, but they're not as magical as they seem, says writer Sisonke Msimang. In this funny and thoughtful talk, Msimang questions our emphasis on storytelling and spotlights the decline of facts. During a critical time...
TED-Ed
TED-ED: How to manage your time more effectively (according to machines) - Brian Christian
Human beings and computers alike share the challenge of how to get as much done as possible in a limited time. Over the last fifty or so years, computer scientists have learned a lot of good strategies for managing time effectively - and...
TED-Ed
TED-Ed: Human sperm vs. the sperm whale - Aatish Bhatia
Traveling is extremely arduous for microscopic sperm -- think of a human trying to swim in a pool made ofother humans. We can compare the journey of a sperm to that of a sperm whale by calculating the Reynolds number, a prediction of how...
SciShow
Do Fish Dream?
It’s easy to look at a sleeping dog’s leg twitching and imagine that it’s having a wonderful rabbit-chasing dream. But can animals with brains that are very different from ours have dreams?
TED Talks
TED: The actual cost of preventing climate breakdown | Yuval Noah Harari
Nobody really knows how much it would cost to avoid the worst impacts of climate change. Yet historian Yuval Noah Harari's analysis, based on the work of scientists and economists, indicates that humanity might avert catastrophe by...