TED Talks
TED: A taste of Mexico's ancient chocolate-making tradition | Germán Santillán
Dating back more than 800 years, chocolate is deeply woven into the Indigenous history of Oaxaca, Mexico. TED Fellow Germán Santillán talks about his work reviving the Mixtec technique used to prepare this ancient delicacy by training a...
Crash Course
Community Ecology II: Predators - Crash Course Ecology
Hank gets to the more violent part of community ecology by describing predation and the many ways prey organisms have developed to avoid it.
Crash Course
The History of Life on Earth - Crash Course Ecology
With a solid understanding of biology on the small scale under our belts, it's time for the long view - for the next twelve weeks, we'll be learning how the living things that we've studied interact with and influence each other and...
Be Smart
De-Extinction: A Mammoth Undertaking
De-extinction, or using the power of modern biotechnology to bring back extinct species like mammoths and dinosaurs, would be cool. But is it really as easy as the movies make it look? Or do the cruel hands of time make it impossible?...
Bozeman Science
AP Biology Practice 6 - Scientific Explanations and Theories
In this video Paul Andersen explains how scientific theories are created and modified over time. He starts by discussing the theory of natural selection as a model for the creation and modification of theories. He gives examples of...
TED Talks
TED: The intended consequences of helping nature thrive | Ryan Phelan
From a special black-footed ferret to coral that can withstand warming waters, genetic rescue efforts that use genomics and synthetic biology are helping nature thrive. But despite the huge successes of this kind of intervention,...
Crash Course
Simple Animals: Sponges, Jellies, & Octopuses - Crash Course Biology
Hank introduces us to the "simplest" of the animals, complexity-wise: beginning with sponges (whose very inclusion in the list as "animals" has been called into question because they are so simple) and finishing with the most complex...
Crash Course
Community Ecology: Feel the Love - Crash Course Ecology
Interactions between species are what define ecological communities, and community ecology studies these interactions anywhere they take place. Although interspecies interactions are mostly competitive, competition is pretty dangerous,...
Be Smart
Asteroids, Meteors, and Comets.... OH MY!!!
Learn about asteroids, meteors, and comets and how they can affect earth!
Crash Course
Unsupervised Learning
Today, we’re moving on from artificial intelligence that needs training labels, called Supervised Learning, to Unsupervised Learning which is learning by finding patterns in the world. We’ll focus on the performing unsupervised...
SciShow
Why Are There So Many Species Near the Equator?
Tropical rainforests are known for being super biologically diverse _ they're full of different species, from colorful birds and insects to plants and fungi. We haven't even come close to cataloguing everything that's there.
SciShow
3 Reasons Why Ticks Suck
Find out why these arachnids are among the least B of humanity's BFFs. Yeah, they're blood-sucking parasites, but that's not all of it!
SciShow
Plants That Keep Themselves Warm
Sometimes, plants do unexpected things. Like control their own body temperature.
SciShow
New Moon New Disease New Hero
This edition of SciShow News really is full of "news." Scientists have discovered a new moon orbiting Neptune, a new tick-borne virus threatening the United States, and a new species of shrew who is a real hero. Let's get to it!
Be Smart
Life by the Numbers
How successful are we compared to other species? It turns out that biomass, or what things weigh, can be more important than how many of something there are. Find out how our numbers stack up against everything from bugs to bacteria, and...
SciShow
Why Are There Bacteria In My Yogurt?
Having bacteria in your food doesn't really sound great, but you couldn't have yogurt without it! Learn why in this week's QQ!
Be Smart
We're Mainly Microbe: Meet Your Microbiome
Ever not felt completely like yourself? There's a good reason for that. Because a large part of you isn't actually you. Our bodies are home to ten times as many microbes as human cells. We are walking ecosystems, each of us home to...
TED-Ed
TED-ED: Why isn't the world covered in poop? - Eleanor Slade and Paul Manning
Each day, the animal kingdom produces roughly enough poop to match the volume of water pouring over Victoria Falls. So why isn't the planet covered in the stuff? You can thank the humble dung beetle for eating up the excess. Eleanor...
TED Talks
Alasdair Harris: How a handful of fishing villages sparked a marine conservation revolution
We need a radically new approach to ocean conservation, says marine biologist and TED Fellow Alasdair Harris. In a visionary talk, he lays out a surprising solution to the problem of overfishing that could both revive marine life and...
Bozeman Science
Ecosystem Diversity
In this video Paul Andersen explains how biodiversity can be measured through genetic, species, or ecosystem variety on the planet. Species diversity is increased through speciation and decrease through extinction. The mechanism for...
TED Talks
TED: How pollution is changing the ocean's chemistry | Triona McGrath
As we keep pumping carbon dioxide into the atmosphere, more of it is dissolving in the oceans, leading to drastic changes in the water's chemistry. Triona McGrath researches this process, known as ocean acidification, and in this talk...
Be Smart
Beavers: The Smartest Things in Fur Pants
Beavers have done more to shape North American landscapes than any animal beside humans. We don't notice them much today because there aren't many left, but before colonization, North America was home to hundreds of millions of these...
TED Talks
TED: Why we're storing billions of seeds | Jonathan Drori
In this brief talk from TED U 2009, Jonathan Drori encourages us to save biodiversity -- one seed at a time. Reminding us that plants support human life, he shares the vision of the Millennium Seed Bank, which has stored over 3 billion...