Bozeman Science
LS4B - Natural Selection
In this video Paul Andersen defines natural selection as differential reproductive success. He then explains how natural selection shapes organisms on our planet through variation and selection. A K-12 teaching progression is also included.
TED-Ed
TED-Ed: Valentin Hammoudi: How tall can a tree grow?
Reaching heights of over 100 meters, Californian sequoias tower over Earth's other 60,000 tree species. But even these behemoths seem to have their limits: no sequoia on record has been able to grow taller than 130 meters. So what...
SciShow
Sucking CO₂ from the Atmosphere #shorts #SciShow #ClimeworksTeamEarth #climatechange #climeworks
Sucking CO₂ from the Atmosphere #shorts #SciShow #ClimeworksTeamEarth #climatechange #climeworks
SciShow
Why Do We Keep Planting Trees That Smell Like Semen?
What's that awful smell? Cat urine? Semen? Rancid butter? Possibly one of these gorgeous city trees?
TED Talks
TED: Let's scan the whole planet with LiDAR | Chris Fisher
We have archives of films, newspapers, even seeds -- what if we could make one for the entire surface of the earth? Drawing on his experience mapping an ancient city in the Honduran jungle, archaeologist Chris Fisher makes the case for...
TED-Ed
TED-Ed: What if there were 1 trillion more trees? | Jean-François Bastin
Today humanity produces more than 1,400 tons of carbon every minute. To combat climate change, we need to reduce fossil fuel emissions, and draw down excess CO2 to restore the balance of greenhouse gases. Like all plants, trees consume...
Be Smart
How Many Trees Are There?
It may be an impossible questions, but we can at least get close.
SciShow
Bringing Back the Lost American Chestnut Tree
American chestnut trees were all over the US at the end of the 19th century until the fungus wiped most of them out. Scientists have been trying to figure out ways to bring those endangered American chestnuts back to their former glory.
TED Talks
TED: An engineer's vision for tiny forests, everywhere | Shubhendu Sharma
A forest planted by humans, then left to nature's own devices, typically takes at least 100 years to mature. But what if we could make the process happen ten times faster? In this short talk, eco-entrepreneur (and TED Fellow) Shubhendu...
TED Talks
TED: How trees talk to each other | Suzanne Simard
A forest is much more than what you see, says ecologist Suzanne Simard. Her 30 years of research in Canadian forests have led to an astounding discovery -- trees talk, often and over vast distances. Learn more about the harmonious yet...
TED-Ed
TED-ED: The true story of 'true' - Gina Cooke
The older the word, the longer (and more fascinating) the story. With roots in Old English, 'true' shares etymological ancestors with words like betroth and truce...but also with the word tree. In fact, trees have been metaphors for...
SciShow Kids
Guess That Tree! Science for Kids
Jessi and Squeaks just spent the day hiking and sketching evergreen trees in their field journals! A lot of evergreen trees look pretty similar, but Jessi knows some fun ways to tell them apart. Join us to find out how!
SciShow
These snakes climb like lassos. #shorts #science #SciShow
These snakes climb like lassos. #shorts #science #SciShow
Crash Course Kids
Feed Me: Classifying Organisms
FEED ME! In this episode of Crash Course Kids, Sabrina has a chat with us about what living things eat to get energy. What makes something an omnivore, or a carnivore, or an herbivore? And how do plants fit in to all of this? This first...
TED Talks
TED: The city planting a million trees in two years | Yvonne Aki-Sawyerr
Yvonne Aki-Sawyerr, mayor of Freetown, Sierra Leone, is on a mission to plant a million trees over the next two years, increasing vegetation in her city by fifty percent while shoring up eroding riverbanks and increasing biodiversity....
TED Talks
TED: The world's oldest living things | Rachel Sussman
Rachel Sussman shows photographs of the world's oldest continuously living organisms -- from 2,000-year-old brain coral off Tobago's coast to an "underground forest" in South Africa that has lived since before the dawn of agriculture.
TED Talks
TED: A realistic vision for world peace | Jody Williams
Nobel Peace laureate Jody Williams brings tough love to the dream of world peace, with her razor-sharp take on what "peace" really means, and a set of profound stories that zero in on the creative struggle -- and sacrifice -- of those...
SciShow
Why Does the Wind Howl So Creepily?
You’re in the woods, there’s a full moon, and the wind begins to howl. We can’t take you out of this horror movie scenario, but we can explain why the wind sounds so spooky.
TED-Ed
TED-Ed: Phenology and nature's shifting rhythms - Regina Brinker
With rapidly rising global temperatures come seasonal changes. As spring comes earlier for some plant species, there are ripple effects throughout the food web. Regina Brinker explains how phenology, or the natural cycles of plants and...
SciShow
SciShow Quiz Show: SciShow vs VidCon
With VidCon Australia just around the corner, Julia Maes, Executive Producer of VidCon International, faces off against Hank Green on the SciShow Quiz Show, answering questions about Australian things and earning prizes for Patreon patrons!
SciShow Kids
The World’s Tallest Tree! Science for Kids
Can you guess how tall the tallest tree is? Neither could we! Tag along with Jessi and Squeaks to learn all about the world’s tallest tree!
SciShow Kids
How Do Koalas Stay Cool? Animal Science for Kids
Koalas live where it’s often hot and dry. But koalas can’t sweat! So how do they keep cool? Jessi has the answer!
SciShow
Why Is Autumn More Vivid in New England?
During autumn in the northeastern US, deciduous trees sport a stunning display of yellows, oranges, and reds. But in some places, like Europe, autumn tends to look much more yellow. So why is it that only certain parts of the world get...