MinuteEarth
Why Is Poop Brown And Pee Yellow?
The pigments in our food all get destroyed on their way through our digestive system...so where do the colors of our poop and pee come from? ________________________ FYI: We try to leave jargon out of our videos, but if you want to learn...
MinuteEarth
Our Best View Of Bacteria Is...From Space?!
Observing the effects of microbes using satellites can give us all sorts of useful information about life on Earth ... and other planets too.
SciShow
Seeing Sick Birds Boosts Canaries’ Immune Responses
Unlike humans, domestic canaries don’t have the option of social distancing when one of their own is ill. But canaries may have evolved a nifty workaround for protecting their populations when disease strikes!
TED Talks
Angela Belcher: Using nature to grow batteries
Inspired by an abalone shell, Angela Belcher programs viruses to make elegant nanoscale structures that humans can use. Selecting for high-performing genes through directed evolution, she's produced viruses that can construct powerful...
SciShow
An Unexpected Tool to Track Ancient Civilizations...Bacteria
Scientists have used a bacteria that commonly infects us to track how ancient humans spread to the Americas from Siberia. And other scientists have discovered a new species of hyrax in the forests of Africa by listening to their barks...
SciShow
Weird Places Australia's Bright Pink Lake
In this edition of Weird Places, we visit Australia's Lake Hillier, which is a shockingly flamboyant shade of pink. Hank's here to tell you science's best guess as to why.
SciShow
What If All Viruses Vanished?
In the past couple years, you may have found yourself wishing that all the viruses in the world just disappear. But be careful what you wish for...
SciShow
Toxic Shock Syndrome: Way Beyond Tampons
If you've heard of Toxic Shock Syndrome, you might think you can only get it from tampons, but the bacteria that cause this problem are surprisingly common and we still don't know why they sometimes turn deadly.
SciShow
The Antibacterial Benefits of Wasp Venom
This week, scientists turned to an unlikely source to try to solve the problem of antibiotic resistance, and got a peek at the lifestyle of some of the very first mammals... by studying their teeth.
TED-Ed
The world's biggest battery looks nothing like a battery | TED-Ed
As of 2020, the world's biggest lithium-ion battery is hooked up to the Southern California power grid and can provide enough power for about 250,000 homes. But it's actually not the biggest battery in the world: a pair of lakes are. How...
SciShow
Weird Places: Australia's Bright Pink Lake
In this edition of Weird Places, we visit Australia's Lake Hillier, which is a shockingly flamboyant shade of pink. Hank's here to tell you science's best guess as to why.
TED Talks
TED: How a long-forgotten virus could help us solve the antibiotics crisis | Alexander Belcredi
Viruses have a bad reputation -- but some of them could one day save your life, says biotech entrepreneur Alexander Belcredi. In this fascinating talk, he introduces us to phages, naturally-occurring viruses that hunt and kill harmful...
SciShow
Immune NETs: What COVID and Snake Venoms Have in Common
When faced with threats ranging from snake bites to COVID infections, some white blood cells retaliate with a peculiar tactic: spewing out their own DNA to form pathogen-trapping nets. But research suggests that sometimes this...
TED Talks
TED: The tiny creature that secretly powers the planet | Penny Chisholm
Oceanographer Penny Chisholm introduces us to an amazing little being: Prochlorococcus, the most abundant photosynthetic species on the planet. A marine microbe that has existed for millions of years, Prochlorococcus wasn't discovered...
TED Talks
Maryn McKenna: What do we do when antibiotics don't work any more?
Penicillin changed everything. Infections that had previously killed were suddenly quickly curable. Yet as Maryn McKenna shares in this sobering talk, we've squandered the advantages afforded us by that and later antibiotics....
MinuteEarth
How Your Dog Can Protect You Before You're Born
Herein we explain how pets can help your immune system, beginning when you're in utero!
SciShow
Hospitals are Hotspots for Antibiotic-resistant Germs
While antibiotics have saved millions of lives, misusing them can speed up how fast bacteria evolve to resist them. And it turns out that one of the biggest hotspots for these antibiotic-resistant bacteria…is hospitals.
TED Talks
TED: How we wrecked the ocean | Jeremy Jackson
In this bracing talk, coral reef ecologist Jeremy Jackson lays out the shocking state of the ocean today: overfished, overheated, polluted, with indicators that things will get much worse. Astonishing photos and stats make the case.
TED-Ed
Why didn't this 2,000 year old body decompose? | Carolyn Marshall
It may not appear very lively six feet underground, but a single teaspoon of soil contains more organisms than there are human beings on the planet. From bacteria and algae to fungi and protozoa, soils are home to one quarter of Earth's...
PBS
That Time Oxygen Almost Killed Everything
What if we told you that there was a time when oxygen almost wiped out all life on Earth? 3 billion years ago, when the world was a place you'd never recognize, too much of a good thing almost ruined everything for everybody.
SciShow
5 Things We Can Learn From Alaska
Science probably isn’t the first thing that pops into your head when you think about Alaska, but it has a lot to offer when it comes to learning about the world, from cold corals to our behavior.
SciShow
This Tortoise Has a Taste for Blood | SciShow News
You're entering a world, where one of the most blood thirsty predators, is a giant tortoise
Bozeman Science
Evolutionary Significance of Cell Communication
Paul Andersen describes how cell communication is used in both single-celled and multicellular organisms. He starts by describing the symbiotic relationship between the bobtail squid and the bacteria Vibrio fisheri. He explains how...
SciShow
7 Extreme Animal Moms
From changing diapers to cleaning up vomit, human parents can have it tough, but at least they don't have to incubate their babies under their skin or liquify their own guts to feed their brood like these animal moms do! In honor of...