Curious why you can't donate platelets after taking aspirin? Wonder no more!

SciShow News delves into the history of marine animals and finds that they’re getting bigger, and unlocks the secret of how cannabis creates one of its most medically useful effects.

SciShow News explains the science behind the latest efforts to stop the spread of ebola: including airport screenings, treatments for patients, and developments in the search for a vaccine.

Don't panic! But you should really know about antibiotic-resistant bacteria, aka super bugs. They're here, and they're doing very well, thank you. SciShow explains what they are, how they're getting around our best drugs,...

You founded a company that manufactures meatless burgers that are sold in stores worldwide. But you've recently received awful news: three people in one city died after eating your burgers. A criminal has injected poison into your...

Sue Desmond-Hellmann is using precision public health -- an approach that incorporates big data, consumer monitoring, gene sequencing and other innovative tools -- to solve the world's most difficult medical problems. It's already helped...

More than 40 million people worldwide suffer from Alzheimer's disease, and that number is expected to increase drastically in the coming years. But no real progress has been made in the fight against the disease since its classification...

Just like us, the monarch butterfly sometimes gets sick thanks to a nasty parasite. But biologist Jaap de Roode noticed something interesting about the butterflies he was studying — infected female butterflies would choose to lay their...

In today's news, Michael Aranda stands in for Hank to talk about this year's flu season. <br/>
And no, Hank isn't out sick with the flu - he's on the road and out of the studio for a few weeks!

Five years ago, TED Fellow Jennifer Brea became progressively ill with myalgic encephalomyelitis, commonly known as chronic fatigue syndrome, a debilitating illness that severely impairs normal activities and on bad days makes even the...

Your eyes might malfunction, but lasers can fix them. Here's how researchers developed those procedures.

Alzheimer’s is a devastating form of dementia, but we maybe one step closer to finding a way to catching it earlier.

By 2050, it will take 100 billion land animals to provide the world's population with meat, dairy, eggs and leather goods. Maintaining this herd will take a huge, potentially unsustainable toll on the planet. What if there were a...

A cure for leprosy eluded humans for thousands of years, until the pioneering chemistry work of Alice Ball. With her treatment, patients recovered enough to be discharged from the hospital by the hundreds.

Inventor Manu Prakash turns everyday materials into powerful scientific devices, from paper microscopes to a clever new mosquito tracker. From the TED Fellows stage, he demos Paperfuge, a hand-powered centrifuge inspired by a spinning...

Squeaks got hurt playing outside and had to get stitches! Jessi explains what happens at the doctor's office and how stitches help us heal!

Brains are mysterious! Living brains are particularly tough to study, but sometimes scientists can use techniques from other disciplines to get a clearer picture. Here are some ways scientists are adapting tools developed for looking at...

Cancer treatment is hard on the whole body, but a promising treatment is looking to target cancer's appetite and leave the rest of our cells alone.

Matthew O’Reilly is a veteran emergency medical technician on Long Island, New York. In this talk, O’Reilly describes what happens next when a gravely hurt patient asks him: “Am I going to die?”

If we can get it to work in humans, it will save a lot of lives.

Turns out humans aren't the only animals that can medicate themselves - many other animals have found ways to deal with illness by using natural remedies. Hank will tell you about some of the most interesting methods animals have found...

It can potentially take decades for medications to reach pharmacy shelves, but why? We take a deep dive into the creation of a cancer treatment to explain the process.

Secrets, disease and beauty are all written in the human genome, the complete set of genetic instructions needed to build a human being. Now, as scientist and entrepreneur Riccardo Sabatini shows us, we have the power to read this...

Discover natural selection as a mechanism of evolution with the Amoeba Sisters. This video also uncovers the relationship of natural selection and antibiotic resistance in bacteria and emphasizes biological fitness. Note: This video is...