TED Talks
Kevin Kelly: The next 5,000 days of the web
At the 2007 EG conference, Kevin Kelly shares a fun stat: The World Wide Web, as we know it, is only 5,000 days old. Now, Kelly asks, how can we predict what's coming in the next 5,000 days?
MinuteEarth
Why Don't More Animals Eat Wood?
Wood is abundant and full of energy, but outside of some insects, almost no animals eat it because the stuff it's made of is hard to break down
Amoeba Sisters
Natural Selection
Discover natural selection as a mechanism of evolution with the Amoeba Sisters. This video also uncovers the relationship of natural selection and antibiotic resistance in bacteria and emphasizes biological fitness. Note: This video is...
TED Talks
Morgan Vague: These bacteria eat plastic
Humans produce 300 million tons of new plastic each year -- yet, despite our best efforts, less than 10 percent of it ends up being recycled. Is there a better way to deal with all this waste? Morgan Vague describes her research with...
TED Talks
TED: In praise of conflict | Jonathan Marks
Conflict is bad; compromise, consensus and collaboration are good -- or so we're told. Lawyer and bioethicist Jonathan Marks challenges this conventional wisdom, showing how governments can jeopardize public health, human rights and the...
Bozeman Science
Systems
In this video Paul Andersen explains how systems are two or more objects that interact with one another. If a system has no relevant internal structure it can be treated as an object. The conservation laws apply to energy, charge and...
Crash Course
Ecology - Rules for Living on Earth: Crash Course Biology
Hank introduces us to ecology - the study of the rules of engagement for all of us earthlings - which seeks to explain why the world looks and acts the way it does. The world is crammed with things, both animate and not, that have been...
TED Talks
Zeresenay Alemseged: The search for humanity's roots
Paleoanthropologist Zeresenay Alemseged looks for the roots of humanity in Ethiopia's badlands. Here he talks about finding the oldest skeleton of a humanoid child -- and how Africa holds the clues to our humanity.
TED Talks
The case for anonymity online - Christopher "moot" Poole"
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. The founder of 4chan, a controversial, uncensored online imageboard, describes its subculture, some of the Internet...
TED Talks
TED: Glow-in-the-dark sharks and other stunning sea creatures | David Gruber
Just a few meters below the waves, marine biologist and explorer-photographer David Gruber discovered something amazing -- a surprising new range of sea creatures that glow in many colors in the ocean's dim blue light. Join his journey...
TED Talks
TED: When I die, recompose me | Katrina Spade
What if our bodies could help grow new life after we die, instead of being embalmed and buried or turned to ash? Join Katrina Spade as she discusses "recomposition" -- a system that uses the natural decomposition process to turn our...
TED Talks
Dan Barber: How I fell in love with a fish
Chef Dan Barber squares off with a dilemma facing many chefs today: how to keep fish on the menu. With impeccable research and deadpan humor, he chronicles his pursuit of a sustainable fish he could love, and the foodie's honeymoon he's...
TED Talks
Susan Shaw: The oil spill's toxic trade-off
Break down the oil slick, keep it off the shores: that's grounds for pumping toxic dispersant into the Gulf, say clean-up overseers. Susan Shaw shows evidence it's sparing some beaches only at devastating cost to the health of the deep sea.
TED Talks
TED: How an old loop of railroads is changing the face of a city | Ryan Gravel
urban planner Ryan Gravel shares the story of how his hometown of Atlanta, Georgia, rallied to build a massive urban park that will transform an abandoned railroad track into 22 miles of public green space called the Atlanta BeltLine....
TED Talks
TED: The case for stubborn optimism on climate | Christiana Figueres
This decade is a moment of choice unlike any we have ever lived, says Christiana Figueres, the architect of the historic 2015 Paris Agreement. The daughter of Costa Rica's beloved President José Figueres Ferrer, she shares how her...
TED Talks
TED: An illustrated kingdom of real, fantastical plants | Nirupa Rao
Botanical artist Nirupa Rao captures the spirit and beauty of nature in watercolor. With a portfolio of enchanting, scientifically accurate illustrations, she aims to reignite our emotional connection to the environment -- and open our...
SciShow
Why People are Always Fighting Over the Thermostat
Negotiating thermostat settings can be really frustrating, but your officemate isn't trying to freeze you out on purpose. Stefan explains the science behind why people experience temperatures differently. Fun fact: Stefan wears a jacket...
Amoeba Sisters
Cell Transport
Explore the types of passive and active cell transport with the Amoeba Sisters! Table of Contents: Intro 00:00 Importance of Cell Membrane for Homeostasis 0:41 Cell Membrane Structure 1:07 Simple Diffusion 1:45 What does it mean to "go...
SciShow
Understanding the Most Extreme Numbers in the Universe
Humans are great at understanding medium-sized things, like how far the supermarket is from your house, or how to find the bathroom in the dark. But imagining distances in light-years is a lot harder -- so you'll have to use a trick or two.
SciShow
Ecosystems Around the Globe Contain Echoes of Past Peoples
There’s a common misconception that humans of the past lived in harmony with their environments and left them “pristine and untouched.” However, there is plenty of evidence that these relationships were much more complicated
TED Talks
TED: Art made of the air we breathe | emily Parsons-Lord
emily Parsons-Lord re-creates air from distinct moments in earth's history -- from the clean, fresh-tasting air of the Carboniferous period to the soda-water air of the Great Dying to the heavy, toxic air of the future we're creating. By...
TED Talks
Alex Steffen: The route to a sustainable future
Worldchanging.com founder Alex Steffen argues that reducing humanity’s ecological footprint is incredibly vital now, as the western consumer lifestyle spreads to developing countries.
TED Talks
Bjarke Ingels: 3 warp-speed architecture tales
Danish architect Bjarke Ingels rockets through photo/video-mingled stories of his eco-flashy designs. His buildings not only look like nature -- they act like nature: blocking the wind, collecting solar energy -- and creating stunning...
TED Talks
Munir Virani: Why I love vultures
As natural garbage collectors, vultures are vital to our ecosystem -- so why all the bad press? Why are so many in danger of extinction? Raptor biologist Munir Virani says we need to pay more attention to these unique and misunderstood...