Amoeba Sisters
Lymphatic System
Explore the lymphatic system with the Amoeba Sisters! This introduction talks about lymph, the general way lymph travels in the lymphatic system, primary and secondary lymphoid organs and tissues, general functions of the lymphatic...
Bozeman Science
The Hierarchy of Life
Paul Andersen explains how biology is ordered in the hierarchy of life. He first of all describes how emergent properties appear as you move to more inclusive systems. The then describes life at the following levels; atom, molecule,...
TED-Ed
TED-Ed: How do doctors determine what stage of cancer you have? | Hyunsoo Joshua No and Trudy Wu
Each year, approximately 20 million people receive a cancer diagnosis. At that time, a patient usually learns their cancer’s stage, which is typically a number ranging from one to four. While staging is designed, in part, to help...
TED Talks
TED: Why AI needs a "nutrition label" | Kasia Chmielinski
What do sandwiches have to do with AI? Data reformist Kasia Chmielinski helps us think about artificial intelligence with a useful food metaphor — and breaks down why AI systems should have "nutrition labels" to ensure the development of...
TED Talks
TED: Your right to repair AI systems | Rumman Chowdhury
For AI to achieve its full potential, non-experts need to contribute to its development, says Rumman Chowdhury, CEO and cofounder of Humane Intelligence. She shares how the right-to-repair movement of consumer electronics provides a...
TED Talks
TED: How AI is unlocking the secrets of nature and the universe | Demis Hassabis
Can AI help us answer life's biggest questions? In this visionary conversation, Google DeepMind cofounder and CEO Demis Hassabis delves into the history and incredible capabilities of AI with head of TED Chris Anderson. Hassabis explains...
TED Talks
TED: Why US politics is broken — and how to fix it | Andrew Yang
The electoral system in the United States needs a redesign, says political reformer Andrew Yang. Exposing the flaws of a system built on poor incentives, he proposes a cost-effective overhaul inspired by primary elections already working...
SciShow
We Don’t Know What the Sun Is Made Of
Unlike Earth, our Sun is a giant ball of mostly hydrogen and helium. Astronomers managed to figure that one out roughly 100 years ago. But after all this time, they still can't come to an agreement on what "mostly" means, precisely.
SciShow
The Rarest Objects in The Solar System Are from...Elsewhere...
In 2017, astronomers discovered 'Oumuamua — the first definitive interstellar visitor to our solar system. But definitive evidence of space rocks that don't just visit but join our solar system is a little more elusive.
Amoeba Sisters
Human Body Systems Overview (Updated 2024)
Explore 11 human body systems with the Amoeba Sisters in this updated video (2024). This video focuses on general functions for the following systems (and also provides a few structure examples): Circulatory, Digestive, Endocrine,...
TED Talks
TED: How business leaders can renew democracy | Daniella Ballou-Aares
How much should business leaders speak out about threats to democracy? It's a question many corporations are wrestling with these days. Business and democracy leader Daniella Ballou-Aares shows why companies have both the ability and the...
SciShow
Are Sharks Really Older Than the North Star?
If you've spent enough time on the internet, you may have stumbled upon the fact that sharks are older than Polaris, aka the North Star. But are they really? It turns out the truth is a little more complicated.
SciShow
Psychiatrists Can't Agree About This New Disorder
Prolonged grief disorder recently debuted in both of the two manuals that clinicians use to diagnose psychological conditions. But the DSM and the ICD don't completely agree on what it is.
TED Talks
TED: Let's reframe cancel culture | Sarah Jones
Cancel culture launched a reckoning that was long overdue — but that doesn't mean it's getting everything right. Filmmaker and actor Sarah Jones slips in and out of various characters as she shares her personal experience with cancel...
TED Talks
TED: How business can drive solutions to social problems | Carlos Rodríguez-Pastor
Driven by the belief that businesses can — and should — invest in the communities around them, Intercorp founder and philanthropist Carlos Rodríguez-Pastor has built schools, pharmacies and a literal bridge to better serve Peru's growing...
SciShow
Reducing Space Waste Before, During, and After Missions | Compilation
Right now, discarded parts from old spacecraft, bags of pee, and dead probes are just floating around in space, but it doesn’t have to be like that. Let's take a look at some of the ways we've figured out to reduce, reuse, and recycle in...
SciShow
Why Space is the Place For Halloween Lovers | Compilation
In honor of the spookiest time of year, let's take a look at the spookiest-named things in the cosmos.
SciShow
How Many Suns Can One Planet Have?
Earth and the other seven planets in our solar system have only one star: the Sun. Years ago, astronomers found the first exoplanet that had two stars. They also found one with three stars. And four. Just how many stars can one planet have?
PBS
What If Physics IS NOT Describing Reality?
Neils Bohr said, “It is wrong to think that the task of physics is to find out how Nature is. Physics concerns what we can say about Nature.” Well it turns out that if we pay attention to this subtle difference, some of the most...
PBS
How Stars Destroy Each Other
Our galaxy is full of dysfunctional stellar relationships. With more than half of all stars existing in binary orbits, it’s inevitable that many stellar remnants will end up in parasitic spirals with their partners. Today we’re going to...
PBS
Is the Proxima System Our Best Hope For Another Earth?
At just four light years away, Proxima Centauri is our closest solar neighbor. The recent discovery of the new exoplanet Proxima D, has reopened the discussion of whether the proxima system is our best chance at reaching another Earth....
PBS
What If the Galactic Habitable Zone LIMITS Intelligent Life?
Our solar system is a tiny bubble of habitability suspended in a vast universe that mostly wants to kill us. In fact, a good fraction of our own galaxy turns out to be utterly uninhabitable, even for sun—like stellar systems. Is this why...
PBS
How the Higgs Mechanism Give Things Mass
Fermilab physicists really care about the mass of the W boson. They spent nearly a decade recording collisions in the Tevatron collider and another decade analysing the data. This culminated in the April 7 announcement that this obscure...