SciShow
The Real Reason the Sky is Blue
If someone (say, a small child) asks you why the sky is blue, you might dive into an explanation of Rayleigh scattering. But if you want to give them a way cooler explanation, you can tell them it's because of bacteria. Hosted by: Stefan...
Crash Course
Carbon & Biological Molecules: What is Life Made Of?: Crash Course Biology #20
Despite the diverse appearance and characteristics of organisms on Earth, the chemicals that make up living things are remarkably similar, often identical. In this episode of Crash Course Biology, we’ll look at the building blocks of the...
TED Talks
The food that fertilizes itself | Giles E.D. Oldroyd
Could the key to a sustainable food system already be growing in the world's farms? Plant scientist Giles E.D. Oldroyd explores how a special quirk of soybean plants allows them to naturally partner with networks of fungi and bacteria to...
Amoeba Sisters
Ecology Review: Food Chains & Webs, Relationships, Nitrogen & Carbon Cycles, Effects on Biodiversity
Join the Amoeba Sisters in this longer review video as they review food chains, food webs, how energy flows through trophic levels (including the 10% rule), ecological relationships (including parasitism, mutualism, and commensalism),...
SciShow
8 Terrible Science Takes
Have you ever seen a science take on the Internet that you're pretty sure is wrong, but you aren't sure how to break it down? Well good news, we are taking care of that for you! Here are just 8 of them, from climate myths to health...
SciShow
Is Liquid Nitrogen the Future of Clean Energy?
Liquid nitrogen (LN2) might slow down a T1000 for a bit, and it definitely helps make yummy ice cream during a classroom demo, but it has a lot of applications you may have never considered. Maybe one day it'll help astronauts stay...
SciShow
The Volcanoes That May Have Started Life on Earth
The nitrogen cycle is essential to life on Earth, but biological nitrogen must be fixed before it can be used. Scientists aren't sure how the first nitrogen became available... but it might have been volcanoes.
SciShow
Scientists Let Bees Land in their Eyes
When it comes to a beverage menu, I don't usually want to see "tears" on the list. But these three animals do, including bees whose favorite drink is human tears!
SciShow
The Implant That Literally Freezes Away Pain
It's no secret that cold can help treat a source of pain, like a sprained ankle or even a burn. But new technology might be able to take that principle and apply it /directly/ onto your nerves!
SciShow
How Long Can You Live Underwater?
In 2023, Joseph Dituri set a world record for the longest continuous stay underwater. And that 100 day stay had effects on both his body and mind. Scientists have been studying the effects of living underwater since the 1960s, but how...
SciShow
This Planet is Only Half Covered in Lava
There are a lot of weird exoplanets out there, like 55 Cancri e (aka Janssen), which is probably half covered in lava. But the half that's covered in lava might not be quite the half you're thinking of.
PBS
Could We Terraform Mars?
We already have the technology to bring humans safely to Mars and set up small settlements - or at least could do within a generation. But those settlements will need to be cocooned - shielded against the deadly cold, intense radiation,...
PBS
How Plants Became Carnivores
How and why does botanical carnivory keep evolving? It turns out that when any of the basic things that most plants need aren’t there, some plants can adapt in unexpected ways to make sure they thrive.
Be Smart
These Death-Eating Scavengers Are Real Life-Savers | IN OUR NATURE
Seemingly distant ecosystems, even half a world apart, are connected in surprising ways. In this special limited series, Emily Graslie and Trace Dominguez join me as we explore the universal rules of life that tie together Earth’s living...
SciShow
Does the Food Chain Stop At Jellyfish?
Jellyfish aren't the most nutritious animals in the ocean. Yet sea turtles and many other organisms get their nutrition from almost nothing else. Here's why they don't totally starve to death.
SciShow
Are We Making More Bermuda Triangles?
One reason the Bermuda Triangle has scared people for generations is the seaweed. And thanks to eutrophication and other human causes, that Sargassum seaweed is starting to travel the world. Here's how we're accidentally making more of...
SciShow
The Hunt For Green Helium
Despite being a noble gas, helium has a carbon footprint. We haven't managed to find any helium reservoirs that don't also contain natural gas. But must they? Scientists and startups alike are on the hunt.
SciShow
How Can Microbes Protect Crops From Drought?
Solving food shortages caused by droughts is a big challenge that may benefit from a tiny ally. Turns out that the microbes living in the soil around plants can give them a boost when water's scarce, which means more food for us, which...
MinuteEarth
Mushroom Wars
Two mushroom guilds with vastly different strategies are locked in competition for forest dominance.
MinutePhysics
3 Simple Ways to Time Travel (& 3 Complicated Ones)
One Minute Physics provides an energetic and entertaining view of old and new problems in physics -- all in one minute!
SciShow
This Molecule Has Saved Billions of Lives, How Do We Make It Without Killing Ourselves?
Ammonia is extremely useful to us as a crucial ingredient in fertilizers. But producing it also has a significant carbon footprint, which is why scientists have been on the hunt for a way to make ammonia production greener.
SciShow
Meet Our Nitrogen-Breathing Bacterial Relative
Oxygen is pretty great stuff, but this recently discovered organism couldn’t care less about oxygen. It breathes nitrogen and may offer a window into how the types of cells in OUR bodies may have evolved billions of years ago.
SciShow
Fish Pee: The Coral Reef Superfood
Fish consider the ocean their own personal toilet. Well, researchers found out that's not such a bad thing!