TED Talks
TED: What seaweed and cow burps have to do with climate change | Ermias Kebreab
Scientists have long known that cows are a huge source of the greenhouse gas methane, contributing up to four percent of emissions globally. But could there be a way to make cattle less -- ahem -- gassy? Animal scientist Ermias Kebreab...
SciShow
Why Our Nights Are Getting Hot
The average global temperature is on the rise, evidenced by the ten warmest years on record happening since 2005. But this isn’t just about greenhouse gases preventing heat from escaping. Another culprit comes in the form of…clouds.
TED Talks
TED: How farming could employ Africa's young workforce -- and help build peace | Kola Masha
Africa's youth is coming of age rapidly, but job growth on the continent isn't keeping up. The result: financial insecurity and, in some cases, a turn towards insurgent groups. In a passionate talk, agricultural entrepreneur Kola Masha...
TED Talks
Richard Turere: My invention that made peace with lions
In the Maasai community where Richard Turere lives with his family, cattle are all-important. But lion attacks were growing more frequent. In this short, inspiring talk, the young inventor shares the solar-powered solution he designed to...
TED Talks
TED: Why healthy soil matters now more than ever | Jane Zelikova
From nourishing our foods to storing massive amounts of carbon, soil is teeming with diverse microbial life that could slow global warming. Climate change scientist Jane Zelikova calls for agricultural practices that protect Earth's soil...
SciShow
Manipulating plant genes...through grafting!
If you plant a seed from your orange, you might have to wait as long as 15 years to get a tree with fruit, which is kind of a bummer for the impatient types among us. Fortunately, there’s an age-old trick called grafting that can shorten...
SciShow
From Old-School Gardening to the Future of Food
From the starter plants in your window to giant agriculture, there's a lot of science to cover before dinner.
TED Talks
TED: A new understanding of human history and the roots of inequality | David Wengrow
What if the commonly accepted narratives about the foundation of civilization are all wrong? Drawing on groundbreaking research, archaeologist David Wengrow challenges traditional thinking about the social evolution of humanity -- from...
SciShow
Beware the Bug Spit: How Spittlebugs Accidentally Doom Plants
Ever wondered what makes those balls of white foam you sometimes find clinging to plants? Spittlebugs create these bubbly cocoons after feeding on a plant’s fluids; but unfortunately, their eating habits help transmit a deadly bacteria...
TED Talks
Fahad Al-Attiya: A country with no water
Imagine a country with abundant power -- oil and gas, sunshine, wind (and money) -- but missing one key essential for life: water. Infrastructure engineer Fahad Al-Attiya talks about the unexpected ways that the small Middle Eastern...
TED Talks
TED: The era of personal DNA testing is here | Sebastian Kraves
From improving vaccines to modifying crops to solving crimes, DNA technology has transformed our world. Now, for the first time in history, anyone can experiment with DNA at home, in their kitchen, using a device smaller than a shoebox....
TED Talks
TED: The future of the food ecosystem -- and the power of your plate | Ndidi Okonkwo Nwuneli
Many people across the world don't have access to healthy food -- while in other places tons of food go to waste. Social entrepreneur Ndidi Okonkwo Nwuneli thinks we can take bold steps to fix this problem. She lays out what it would...
SciShow
If Tomatoes Could Talk, Here’s What They’d Say | SciShow News
We’d pictured the plant-fruit relationship as one-way, but new research reports that sometimes the fruit can talk back! And while cow burps are a widely cited contributor to climate change, it turns out that wild pigs might also be...
Crash Course
Why Early Globalization Matters: Crash Course Big History
Globalization has been in process for centuries, and has had a huge effect on Big History, and on Collective Learning. This week, Emily is investigating early globalization through three things that moved around the world and shaped...
TED Talks
Stuart Oda: Are indoor vertical farms the future of agriculture?
By 2050, the global population is projected to reach 9.8 billion. How are we going to feed everyone? Investment-banker-turned-farmer Stuart Oda points to indoor vertical farming: growing food on tiered racks in a controlled,...
TED Talks
TED: How we can make crops survive without water | Jill Farrant
As the world's population grows and the effects of climate change come into sharper relief, we'll have to feed more people using less arable land. Molecular biologist Jill Farrant studies a rare phenomenon that may help: "resurrection...
SciShow
Save Tesla!
Hank comes to you from his inner sanctum of science news to bring you a couple of things you never knew about human origins, the latest from his best friend on Mars, and what you can do to help one of the craziest, greatest people in the...
Curated Video
The Agricultural Revolution: Crash Course World History
In which John Green investigates the dawn of human civilization. John looks into how people gave up hunting and gathering to become agriculturalists, and how that change has influenced the world we live in today. Also, there are some...
MinuteEarth
How To (Literally) Save Earth
Farming erodes soil 50 times faster than it forms. We can change that, but will we?
TED Talks
TED: How Africa can use its traditional knowledge to make progress | Chika ezeanya-esiobu
Chika ezeanya-esiobu wants to see Africans unleash their suppressed creative and innovative energies by acknowledging the significance of their indigenous, authentic knowledge. In this powerful talk, she shares examples of untapped,...
TED Talks
Kristie Ebi: How climate change could make our food less nutritious
Rising carbon levels in the atmosphere can make plants grow faster, but there's another hidden consequence: they rob plants of the nutrients and vitamins we need to survive. In a talk about global food security, epidemiologist Kristie...
TED Talks
Shimon Steinberg: Natural pest control ... using bugs!
What's the difference between a pest and a bug? Shimon Steinberg makes the case for using good bugs to fight bad bugs, avoiding chemicals in our quest for perfect produce.
TED-Ed
TED-Ed: Can we create the "perfect" farm? | Brent Loken
About 10,000 years ago, humans began to farm. This agricultural revolution was a turning point in our history and enabled the existence of civilization. Today, nearly 40 percent of our planet is farmland. Spread all over the world, these...
Crash Course
How Do We Produce Food? Crash Course Geography
Over the millennia, every region on Earth has developed its own successful agricultural ecosystem from flat fields of grain and mountainside rice terraces to coastal fish farms and goat herding. Today, we’re going to break down...