SciShow
Why Isn't a Kilogram a Kilogram?
The kilogram is the basic unit of mass in the metric system, but there's a serious problem: the standard that defines how much mass a kilogram actually has isn't reliable anymore
TED-Ed
TED-Ed: Is it possible to lose weight fast? | Hei Man Chan
In the wealthiest circles of Victorian England, dieters would swallow an unhatched tapeworm and let it grow inside them by consuming undigested meals. And while modern fad diets aren't usually this extreme, they do promise similar...
TED Talks
Michael Green: What the Social Progress Index can reveal about your country
The term Gross Domestic Product is often talked about as if it were “handed down from god on tablets of stone.” But this concept was invented by an economist in the 1930s. We need a more effective measurement tool to match 21st century...
TED Talks
Rob Hopkins: Transition to a world without oil
Rob Hopkins reminds us that the oil our world depends on is steadily running out. He proposes a unique solution to this problem -- the Transition response, where we prepare ourselves for life without oil and sacrifice our luxuries to...
TED Talks
TED: The unexpected benefit of celebrating failure | Astro Teller
Great dreams aren't just visions, says Astro Teller, "They're visions coupled to strategies for making them real." The head of X (formerly Google X), Teller takes us inside the "moonshot factory," as it's called, where his team seeks to...
SciShow
Could We Really Visit Other Stars?
We might be getting a little closer to making interstellar travel a reality just not for humans.
TED-Ed
TED-Ed: Are locust plagues unstoppable? | Jeffrey A. Lockwood
A ravenous swarm stretches as far as the eye can see. It has no leader or strategic plan; its only goals are to eat, breed, and move on. These are desert locusts— infamous for their capacity for destruction. But most of the time desert...
TED Talks
Lee Thomas: How I help people understand vitiligo
TV news anchor Lee Thomas thought his career was over after he was diagnosed with vitiligo, an autoimmune disorder that left large patches of his skin without pigment and led to derision and stares. In a captivating talk, he shares how...
TED Talks
Clay Shirky: Why SOPA is a bad idea
What does a bill like PIPA/SOPA mean to our shareable world? At the TED offices, Clay Shirky delivers a proper manifesto -- a call to defend our freedom to create, discuss, link and share, rather than passively consume.
SciShow
3 Extreme New Mission Concepts
From asteroid spaceships, to exploring ice volcanoes, let's look at a few of the NIAC's recently approved Phase I projects!
SciShow
Meteor Explosion
Hank talks about the search for pieces of a special meteoroid that exploded over California & Nevada last month.
TED Talks
Raghava KK: What's your 200-year plan?
You might have a 5-year plan, but what about a 200-year plan? Artist Raghava KK has set his eyes on an ultra-long-term horizon; at TEDxSummit, he shows how it helps guide today's choices and tomorrow's goals -- and encourages you to make...
TED Talks
Paul Gilding: The Earth is full
Have we used up all our resources? Have we filled up all the livable space on Earth? Paul Gilding suggests we have, and the possibility of devastating consequences, in a talk that's equal parts terrifying and, oddly, hopeful.
SciShow
NASA's Plan to Capture an Asteroid
Caitlin Hofmeister walks you through NASA's planned Asteroid Retrieval Mission, which aims to capture a space-rock and put it in lunar orbit for study -- all by 2025!
SciShow
Life on an Eyeball Planet? It's Possible
Tidally locked planets could be more common than Earth-like planets! And these 'eyeball planets' might even be a promising place to look for unique lifeforms!
SciShow
Mission Cliffhanger On Venus
Akatsuki missed Venus once, but with a little ingenuity and its secondary engines, it's heading back on December 7th!
TED Talks
Kate Bowler: "Everything happens for a reason" -- and other lies I've loved
In life's toughest moments, how do you go on living? Kate Bowler has been exploring this question ever since she was diagnosed with stage IV cancer at age 35. In a profound, heartbreaking and unexpectedly funny talk, she offers some...
PBS
Will Starshot's Insterstellar Journey Succeed?
Yuri Milner's Breakthrough Starshot is an interstellar travel expedition unlike any other before it. It's many years in the making and is contingent on a series of incredible advancements in nanotechnology, materials science and laser...
Bozeman Science
Planning and Carrying Out Investigations
In this video Paul Andersen explains how you can have your students plan and carry out their own investigations.
SciShow
NASA's Next Target: Earth
SciShow Space News tells you about NASA's latest launch -- the first mission dedicated to measuring carbon dioxide in the atmosphere -- and gives you a primer on what the June solstice really is!
TED Talks
TED: How to gain control of your free time | Laura Vanderkam
There are 168 hours in each week. How do we find time for what matters most? Time management expert Laura Vanderkam studies how busy people spend their lives, and she's discovered that many of us drastically overestimate our commitments...
TED Talks
Gangadhar Patil: How we're helping local reporters turn important stories into national news
Local reporters are on the front lines of important stories, but their work often goes unnoticed by national and international news outlets. TED Fellow and journalist Gangadhar Patil is working to change that. In this quick talk, he...
SciShow
Warding Off Murder Hornets with... Poop?
The murder hornets of your nightmares aren't totally unstoppable - all you need is a little poop.
SciShow
3 Space Missions to Look for in 2021
2021 is expected to bring some very exciting missions: We're putting more cool tech on Mars, going back around the Moon, and testing some sweet planetary defense from asteroids!