Viruses are wildly successful organisms. There are about 100 million times as many virus particles on Earth as there are stars in the observable universe. Even so, viruses can and do go extinct. So, what is the possibility of the virus...

There's a vaccine being developed now that would protect you against every strain of the flu— even ones that don't exist yet. But influenza is constantly mutating, so is a universal vaccine even possible? And how do you design a vaccine...

Writer and activist Asali DeVan Ecclesiastes lights up the stage with a powerful poem about hope, truth and the space between who we are and who we want to be.

Unlike measles, Influenza requires a fresh shot of vaccines every year. But why?

What's the deal with that sharp pain in your side when you're trying to win that marathon? SciShow has the answers!

As benign as it may look up close, the tiny seaweed Caulerpa taxifolia can wreak quite a bit of havoc on coastal ecosystems. This super algae is very adaptable; it also grows fast and spreads easily. Eric Noel Munoz gives the details of...

Each year, we try to fight flu season with the influenza vaccine and this year is no different. But why is there a flu season at all and how do we fight it?

The flu might feel like some minor illness that you don't need to worry about much, but tens of thousands of people still die from it every year. And back in 1918, Flu killed up to 5% of the world's population. Could a flu that bad...

Can you grow a human bone outside the human body? The answer may soon be yes. Nina Tandon explores the possibility by examining how bones naturally grow inside the body, and illuminating how scientists are hoping to replicate that...

Today we’re going to start thinking about materials that are used in engineering. We’ll look at mechanical properties of materials, stress-strain diagrams, elasticity and toughness, and describe other material properties like hardness,...

Today we’re talking all about fluid mechanics! We’ll look at different scales that we work with as engineers, mass and energy transfers, the no-slip condition, stress and strain, Newton’s law of viscosity, Reynold’s number, and more!

As the population grows, the demand for food is only going to increase, but luckily, scientists are already working to solve this problem.

It's not too late to get a flu shot! You may have heard that the flu shot this year is "less effective" than in earlier years. That may not mean what you think it means. Less effective is a relative relationship, and in absolute terms,...

Tuberculosis had a big impact on George Orwell's life and on his novel "1984." Drawing parallels between Orwell's struggle with TB and the themes of isolation, surveillance, and control in the novel, it delves into how Orwell's personal...

This video provides practical tips on ergonomics to help individuals create a more comfortable and productive workspace. It emphasizes the importance of proper keyboard and monitor positioning, taking breaks to avoid strain and fatigue,...

Howcast - Learn how to avoid voice strain from vocal coach Cari Cole in this Howcast singing tutorial.

Howcast - Learn the top myths and facts about human papillomavirus (HPV) from sexpert Jane Bogart in this Howcast video.

Howcast - This wild-growing herb has been used for centuries to improve urinary tract issues and resolve bladder infections. Flush away bad bacteria quickly and naturally with various forms of uva ursi.

Howcast - Learn about the nutritional benefits of Greek yogurt versus regular yogurt from nutrition expert Alex Jamieson in this Howcast video.

Howcast - Learn how to do a dumbbell overhead extension using a Swiss ball from personal trainer Brett Azar in this Howcast home arm workout for men video.

Howcast - Learn how to make tamagoyaki, aka dashimaki, a Japanese omelette popular in bento boxes, from sushi chef Mamie Nishide in this Howcast food video.

Howcast - Learn six bouldering safety tips from indoor rock climbing expert Cliff Simanski in this Howcast video.

Howcast - Learn how to make a Girl Scout Cookie from the bartenders at Barcelona Bar NYC in this Howcast video.

Howcast - Learn how to make a Jolly Rancher from the bartenders at Barcelona Bar NYC in this Howcast video.