In this video Paul Andersen explains how the climate on the earth is affected by the amount of solar radiation and the greenhouse affect. The addition of anthropogenic greenhouse gases has led to global warming which is impacting humans...

We can’t avoid having stress, and that’s not always a bad thing. But if you are dealing with a lot of stress every day, it might cause you physical harm.

Today roads, sidewalks, bridges, and skyscrapers are made of a material called concrete. There's three tons of it for every person on Earth. It's also played a surprisingly large role in rising global temperatures over the last century....

Social distancing is a time-honored, low-tech tool for slowing the spread of contagious pathogens. But it can also take a toll psychologically. Luckily, there are ways to mitigate these harms, so you can protect yourself and your...

John La Grou unveils an ingenious new technology that will smarten up the electrical outlets in our homes, using microprocessors and RFID tags. The invention, Safeplug, promises to prevent deadly accidents like house fires -- and to...

In this video Paul Andersen explains how humans are impacting the Earth through farming, mining, pollution and climate change. According to the NGSS wise management can reduce impacts on the planet. This will become more important as...

Since your body is already pretty good at healing itself, does icing an injury actually help?

Resource optimization is getting the best results from your resources. The two principal approaches are called resource leveling and resource smoothing. What’s the difference

In this video I am going. ork through how to multiply and divide a fraction by an integer fast

This video explains how to solve easy and hard linear equations. The easy example demonstrates solving a two-step equation (0:46), while the hard example tackles a more complex equation involving a variable in the denominator and...

In this video I am going to show you how to determine what the missing number is given the percent.

Is Obamacare working? An update on the ACA and some more bad news for believers in the power of taking Vitamin D. This is Healthcare Triage News.

Thanks, in part, to the generous support of the NIHCM, this month we are releasing four special episodes on Opioids. We hope you enjoy them. This week's episode:

How Would Republican Plans for Medicaid Block Grants Actually Work? That's the topic of this week's Healthcare Triage.

Maybe the person working near you, the one who dragged himself to work and is now coughing and sneezing, couldn't afford to stay home. Each week about 1.5 million Americans without paid sick leave go to work despite feeling ill. At least...

You guys and your Vitamin D. You ask me on HCT Live, you ask me on comments, you ask me on Twitter. I'm amazed at the persistence of this question, as study after study seems to show that Vitamin D isn't doing most of us much good at...

It can sometimes feel like there's nothing we can do to improve population health. That's just not true. This is Healthcare Triage News.

Welcome back to the Fluctus Channel, as we explore the history, construction, and capabilities of modern submarines, from the earliest designs like the Turtle to today’s nuclear-powered vessels.



Fluctus is a website...

The largest wind farm in the world is being constructed in China's Gansu Province, and is one of six mega-farms going up across the country.

short video on natural selection for middle school science

This Science 6 instructional video discusses how humans can manage resources.

A video entitled "Lines through the Origin" that covers the process of graphing linear equations of the form y equals mx.

This video explores the concept of rediscovering childhood creativity by embracing impulses and free-flowing ideas. It suggests techniques like free writing and adopting a "Yes and" mindset to tap into creative potential and overcome...

Motívate para comer de forma saludable y controlar tu pérdida de peso con cuidado. Perder peso puede ser difícil, pero se puede conseguir si adoptas un enfoque sostenible, positivo y consciente de tus hábitos alimenticios. Hacer...