PBS
Why Does Caffeine Exist?
Today, billions of people around the world start their day with caffeine. But how and why did the ability to produce this molecule independently evolve in multiple, distantly-related lineages of flowering plants, again and again?
SciShow
We Finally Know How Anesthesia Works
Even though doctors have been using general anesthesia for nearly 200 years, they haven’t really understood the details of how it temporarily shuts down your brain — until now.
SciShow
Bivalves Could Be the New Lab Rats
Bivalves—animals like mussels, clams and oysters—might be a more familiar sight in a restaurant than a lab. But it turns out that studying them might help us learn more about our own health.
Curated Video
Yoshinori Ohsumi wins medicine Nobel Prize
Japanese scientist Yoshinori Ohsumi was awarded this year's Nobel Prize in medicine on Monday for discoveries related to the degrading and recycling of cellular components.The Karolinska Institute honoured Ohsumi for "brilliant...
SciShow
Maybe Life Doesn't Need Water, After All
Scientists have been searching for alien life by honing in on the existence of liquid water, but we might be overlooking some types of life out there that doesn't need water at all.
SciShow
How the Electricity in Our Bodies Could Fight Cancer
One potential avenue for cancer treatment uses electricity not from any outside machine, but from within our own bodies.
SciShow
Blue Is Pretty Special: How Nature Gets the Blues
It's really difficult for life to create blue pigments, but the color can appear in a handful of compounds that create just the right conditions to reflect blue photons.
SciShow
Female Viagra' & New Insights Into Narcolepsy
Recent research has offered some new insights into our biochemistry -- from a proposed drug for sexual arousal to a possible link between the flu and narcolepsy.
SciShow
Elizabeth Blackburn: Great Minds
Hank brings us the story of Elizabeth Blackburn, the Nobel Prize-winning Australian woman who discovered telomeres and telomerase, and helped scientists begin to understand the process of aging at a genetic level.
Be Smart
Title: The Recipe For Life
If the human body could be distilled down into one molecule, what would our chemical formula be? And WHY is it that way? There’s a whole lot of elements on the periodic table, but life depends on relatively few of them in order to...
SciShow
Here's What DNA Really Looks Like
There’s more to DNA than just the double helix we know and love: under some conditions this familiar molecule can take on unfamiliar forms, each of which can have a different impact on our health.
SciShow
Silicon-Based Life: Could Living Rocks Exist?
It's possible life could form based on elements other than carbon, but they would look much different than the life we are used to.
SciShow
Dangerous Soaps: How Animals Use Surfactants
When you think of surfactants, you might think of soaps, detergents and other man-made chemicals. But it turns out that some other animals utilize their own versions of these sudsy molecules.
Food Farmer Earth
Alan Kapuler: A Visionary's Blend of Science, Ideas, and Humanity
Explore the influential life and thoughts of Alan Kapuler, as he discusses the impact of monoculture on society and the importance of agricultural diversity. Learn how his scientific insights aim to foster a more sustainable and humane...
Curated Video
Substrate
In materials science, the substrate is the surface on which a coating is deposited. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...
Curated Video
Biochemistry
The study of chemical reactions in living organisms, the chemistry of life. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films...
Curated Video
RNA
Or ribonucleic acid, is a nucleic acid, similar to DNA. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce abstract...
Curated Video
Archaea
A type of prokaryotic organism lacking a cell nucleus, similar to bacteria but now considered as a domain in their own right. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise...
Curated Video
Buffer
A substance that maintains a solution in a narrow range of pH. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce...
Science Buddies
What Sugar And Tea Does a Kombucha Biofilm Prefer?
See how changing the tea or sugar used by a SCOBY biofilm impacts fermentation by measuring the biochemistry of the kombucha solution over time.
Science Buddies
How to Build Your Own Microfluidic Device
In this project you will use the Engineering Design Process to test and design your own microfluidic device design and test how the design and thickness of the channels impacts the ability for liquid to flow through the microfluidic...
Science Buddies
Can Beeswax Wraps Replace Plastic Wraps?
In this science project you will create a beeswax wrap and compare it's physical properties, sustainable characteristics, and food storage capabilities to commonly used plastic wrap.
Curated Video
Mildred Cohn: Trailblazing Biochemist
Mildred Cohn shattered gender and religious barriers to revolutionize biochemistry, developing techniques with far-reaching applications in medicine and agriculture.
Curated Video
Did DeepMind Solve One of Biology's Biggest Challenges? | AlphaFold 2
Did DeepMind solve the protein folding problem with AlphaFold 2? Stay tuned to find out.