SciShow
The Bigger Stem Cells Are, the Harder They Fall
When it comes to our blood-producing stem cells, biologists have learned that bigger is not better. And a study has taken a look at the accomplishments and obstacles of an in-progress attempt to restore a large belt of degraded land...
SciShow
Which Seafood Is Better for the Environment: Farmed or Wild Caught?
There’s no doubt that fish is a great source of protein in one’s diet. But the debate about whether fish farming or commercial fishing is worse for the environment continues and, as you might suspect, there isn’t a straightforward answer.
MinuteEarth
Extreme Weather | MinuteEarth Explains
In this collection of classic MinuteEarth videos, we take a look at some of the most extreme weather on Earth and its consequences.
MinuteEarth
The Fastest-Growing Plant In The World
Bamboo is the world’s fastest growing plant thanks to the cell elongation process it shares with all grasses and its unique cell wall layering adaptation, allowing it to shoot up to 100 ft (30m) in just 8 weeks.
TED Talks
TED: Where do your online returns go? | Aparna Mehta
Do you ever order clothes online in different sizes and colors, just to try them on and then send back what doesn't work? Aparna Mehta used to do this all time, until she one day asked herself: Where do all these returned clothes go? In...
Bozeman Science
Genotype Expression
Paul Andersen explains how genotypes can be expressed or not based on changes in the environment. He starts with a brief description of the Himalayan rabbit and how melanin production can be disrupted by high temperature. He explains...
Bozeman Science
LS3B - Variation of Traits
In this video Paul Andersen explains how variation is created in a population over time. Variation in offspring is caused by genetic recombination, mutations and environmental effects. Parental DNA is recombined using the process of...
TED Talks
TED: The future of fashion -- made from mushrooms | Dan Widmaier
Your closet is likely full of all kinds of materials -- leather, cotton, nylon and polyester, to name a few -- that contribute to fashion's sustainability crisis. Biomaterials investigator Dan Widmaier explains how we could look to...
MinuteEarth
The Best Worst Energy Source
Although coal is such an amazing energy source that we've kept using it despite the harm it causes, today we may be better poised to stop using it than at any previous time in history.
TED Talks
TED: The carbonless fuel that could change how we ship goods | Maria Gallucci
Every day, tens of thousands of cargo ships, filled to the brim with goods, release heavy pollution into the air as they make their way across the ocean. In this eye-opening talk, reporter Maria Gallucci introduces a planet-friendly...
Bozeman Science
Mechanisms that Increase Genetic Variation
Paul Andersen describes mechanisms that increase the genetic variation within a population. He begins by discussing how horizontal transfer can move genetic material between bacteria. Transformation, transduction, and conjugation in...
TED Talks
Bruce Friedrich: The next global agricultural revolution
Conventional meat production causes harm to our environment and presents risks to global health, but people aren't going to eat less meat unless we give them alternatives that cost the same (or less) and that taste the same (or better)....
MinuteEarth
Why Biodiversity Is Good For The Economy
Research suggests that more diverse ecosystems are better for the bottom line.
MinuteEarth
Why Doesn't All Thunder Sound The Same?
We've all experienced thunder, but what ARE all those claps, booms, and rumbles?
TED Talks
TED: This is the moment to take on the climate crisis | Al Gore
Lighting up the TED stage, Nobel laureate Al Gore takes stock of the current state of climate progress and calls attention to institutions that have failed to honor their promises by continuing to pour money into polluting sectors. He...
SciShow
How to Make a Hologram
Augmented reality isn’t just science fiction anymore! In this episode, Michael becomes a hologram and Hank explains how one set of new technologies made it happen.
Crash Course
Preventing Flint - Environmental Engineering: Crash Course Engineering #29
A lot of work goes into managing our impact on the environment and its impact on us. That work is the work of environmental engineers. In this episode we’ll explore water quality, air quality, noise pollution, waste management, and more.
TED-Ed
TED-Ed: How one scientist took on the chemical industry
In 1958, after receiving a letter describing the deaths of songbirds due to the pesticide known as DDT, Rachel Carson began an investigation into the misuse of chemicals and their toll on nature. In 1962, she published her findings in...
MinuteEarth
Why Water Dissolves (Almost) Everything
Water can dissolve more substances than anything else on earth...so why doesn't it dissolve everything away?
TED Talks
Moreangels Mbizah: How community-led conservation can save wildlife
Conservationist and TED Fellow Moreangels Mbizah studied the famous Cecil the lion until he was shot by a trophy hunter in 2015. She wonders how things could've gone differently, asking: "What if the community that lived next to Cecil...
SciShow
Epigenetics
Hank & his clone Circus Hank explain the power of epigenetics, which studies the factors that determine how much or whether some genes are expressed in your body.
SciShow
Making Plants High-Tech With Artificial Neurons | SciShow News
Biology and technology grew closer together when scientists manufactured neurons that acted like those in a brain! And birds evolved to protect themselves in two ways: fight and flight.
SciShow
How Green Energy Could Bring More Rain to Africa
Africa’s Sahara desert is a prime location, some say, to build arrays of solar panels and wind turbines. But scientists are aware that building these structures can potentially have large-scale effects on the surrounding environment that...
SciShow
What Happens After You Flush?
Humans have always peed and pooped, but where it goes after we’ve done our business has changed a lot. In fact: The water you just drank may well have been a part of someone’s urine just weeks ago! SciShow explains!