SciShow
Bioprecipitation: How Bacteria Makes Snow
Raindrops and snowflakes generally start to form around something else in the air, like a speck of dust, but sometimes that something else is bacteria.
Crash Course
How Does Disease Move? Crash Course Geography
From outbreaks of measles in the United States and cholera in Haiti to patterns of lead poisoning near gold mines in Nigeria, medical geographers play an important role in tracking disease in the landscape. Today, we're going to look at...
TED Talks
Daniel Kraft: Medicine's future? There's an app for that
Daniel Kraft offers a fast-paced look at the next few years of innovations in medicine, powered by new tools, tests and apps that bring diagnostic information right to the patient's bedside.
TED Talks
TED: How to build synthetic DNA and send it across the internet | Dan Gibson
Biologist Dan Gibson edits and programs DNA, just like coders program a computer. But his "code" creates life, giving scientists the power to convert digital information into biological material like proteins and vaccines. Now he's on to...
SciShow
Seasonal Genes & The Science of Fear
This week on SciShow News, we explore how our genes change with the seasons! Plus, it turns out that even flies get scared sometimes.
SciShow
A User's Guide to the Human Body
If you've ever wondered why you crave certain foods or what your appendix actually does, there's something in this collection for you!
SciShow
5 Times People Gave Animals Diseases | Reverse Zoonotics
Usually when we think about animals and disease, we think about illnesses that they transmit to us - like swine flu or Lyme disease. But illness is often a two-way street, and while animals can pass pathogens to us, we can also pass our...
SciShow
Why Can Mosquitoes Transmit Zika, But Not the Flu?
Mosquitoes transmit a number of terrible diseases like malaria, West Nile virus, and the Zika virus, but why not the flu?
SciShow
Breast Cancer gets Worse in the Spring and Fall. But...Why?
Seasonal illnesses from infectious diseases aren’t a new concept, but a few decades ago public health experts began to notice the same behavior in some non-infectious diseases like breast cancer. These patterns have helped us learn a lot...
SciShow
More on Mating & Monogamy
Hank clarifies the misconceptions about Chagus disease, discusses a couple of interesting celestial events - one that happened in the past and one that will happen in the distant future, and sheds more light on the benefits of sexual...
SciShow
How Studying Bacteria Almost Kept Us From Discovering the Flu
Today we know pathogens -- viruses, bacteria, and certain other microbes -- are responsible for many diseases. But linking specific diseases to the microbes that cause them has been surprisingly tricky, and some research practices lead...
Bozeman Science
Cellular Variation
Paul Andersen explains how variation is created within a cell. He starts by showing how molecular variation can increase fitness at the local level. He explains how an additional chlorophyll molecule allows plants to absorb more light...
SciShow
4 Ways CRISPR Is More Than Just Gene Editing
While it’s probably most famous for its role in gene editing, CRISPR does more than just that: its ability to precisely cut and alter DNA could lead to new antibiotics, faster diagnosis tools, and more. Chapters CREATING ANTIBIOTICS 1:07...
Crash Course
How Does Public Health Tackle Outbreaks? Crash Course Outbreak Science
Public health activities are all the ways society coordinates to deliver better health to people. That may sound super broad, and it is, so in this episode of Crash Course Outbreak Science, we'll take a look at public health works to...
SciShow
Volcanoes: Mother of Disasters
Volcanoes can show nature's rage. What are the biggest eruptions we've witnessed in our history?
SciShow
Parkinson’s Isn’t Inherited (Usually), but This Gene Matters
We don’t know what causes non-hereditary Parkinson's disease, but researchers have recently identified a gene that might help shed some light on those cases. And another paper suggests that the impact we're having on the frequency of...
TED Talks
TED: How we're reverse engineering the human brain in the lab | Sergiu P. Pasca
Neuroscientist Sergiu P. Pasca has made it his life's work to understand how the human brain builds itself -- and what makes it susceptible to disease. In a mind-blowing talk laden with breakthrough science, he shows how his team figured...
TED-Ed
TED-ED: Could a breathalyzer detect cancer? - Julian Burschka
How is it that a breathalyzer can measure the alcohol content in someone’s blood, hours after they had their last drink, based on their breath alone? And could we use this same technology to detect disease by analyzing a person’s breath,...
TED Talks
Leon Marchal: The urgent case for antibiotic-free animals
The UN predicts that antimicrobial resistance will be our biggest killer by 2050. "That should really scare the hell out of all of us," says bioprocess engineer Leon Marchal. He's working on an urgently needed solution: transforming the...
TED Talks
Melissa Garren: The sea we've hardly seen
An average teaspoon of ocean water contains five million bacteria and fifty million viruses -- and yet we are just starting to discover how these "invisible engineers" control our ocean's chemistry. At TEDxMonterey, Melissa Garren sheds...
SciShow
What Your Family History Can’t Tell You
The first time you visit a new doctor, they’ll probably ask you about your family history - but it turns out that family history doesn’t tell you everything about the risks that can be hidden in your genes.
TED-Ed
TED-ED: The past, present and future of the bubonic plague - Sharon N. DeWitte
The bubonic plague, which killed around 1/5 of the world's population in the 14th century, is still around today -- but it now claims only a few thousand lives each year. How did that number shrink so drastically? Sharon N. DeWitte...
TED-Ed
TED-Ed: What is Alzheimer's disease? - Ivan Seah Yu Jun
Alzheimer's disease is the most common cause of dementia, affecting over 40 million people worldwide. And though it was discovered over a century ago, scientists are still grappling for a cure. Ivan Seah Yu Jun describes how Alzheimer's...
TED Talks
Ellen 't Hoen: Pool medical patents, save lives
Patenting a new drug helps finance its immense cost to develop -- but that same patent can put advanced treatments out of reach for sick people in developing nations, at deadly cost. Ellen 't Hoen talks about an elegant, working solution...