An essential part of learning and studying is remembering things, so this week Thomas explains some of how your memory works so that you can spend less time working against your memory's limitations and more time playing to its real...

In this video Paul Andersen explains how the world population has undergone exponential growth since the industrial revolution. Predicting the future world population is difficult because each country will grow at different rates. ...

In this video Paul Andersen explains how simple harmonic motion occurs when a restoring force returns an object toward equilibrium. The two types of harmonic motion studied in AP Physics are the mass spring oscillator and the simple...

In this video Paul Andersen explains how the resistivity of a material opposes the flow of charge. Conductors (like metal) will have a low resistivity and insulators will have a high resistivity. Semiconductors will have a moderate...

From 2016 to 2019, the world saw record-breaking heat waves, rampant wildfires, and the longest run of category 5 tropical cyclones on record. The number of extreme weather events has been increasing for the last 40 years, and current...

New ReviewThis video explains percentages in a simple way, showing how they're basically just fractions or decimals. It covers stuff like getting 10% of a number by multiplying by 0.1, adding 10% by using 1.1, or subtracting by 0.9. Learning how...

Recently, a number of outlets, including the Washington Post, reported on a study about the alarming rise in children who were exposed to parents' marijuana edibles. As always, it's important to view these things in context, and think...

Sigh. Nutrition research is often bad, and how we talk about it is even worse. If you believe the hype from the past several years, intermittent fasting doesn’t only help you lose weight, it may go so far as to prolong your life. So what...

Opioid Abuse - Opioid drugs can be powerfully effective treatments for those in pain, but they can also be extremely dangerous. This episode explores how opioids can lead to dependence and addiction, and the effects that abuse have had...

My physician-gaming-group-friends are being swamped by concerned parents because of a new study in Pediatrics that has led to many news articles declaring that swaddling - wrapping an infant tightly in a cloth or blanket - may increase...

Obamacare's marketplaces were supposed to give consumers choices of health plans from insurers that compete to keep premiums down. But fewer insurers are participating, and premiums are increasing sharply.

American healthcare spending is still WAY higher than pretty much all other industrialized countries. But not that long ago, things were different. The US didn't spend nearly as much in this realm. What changed? Demographics? More...

"Female Viagra" and regular or "male" Viagra were both originally investigated as treatments for conditions other than sexual dysfunction. Viagra came out of studies on hypertension, and "female Viagra" for depression. But that's where...

Having a low BMI is associated with increased mortality. High BMI is too. Keep it in that normal range, y'all. This is Healthcare Triage News.

Explore the relationship between force, mass, and acceleration in this quick physics demonstration. See how changes in force and mass affect the acceleration of an object.

Local business culture in Hong Kong can be traced back to the early British trading companies in the 1700s. Today, these businesses, known as hongs, continue to operate alongside more modern Chinese and foreign firms. Tradition, family,...

This video provides a comprehensive overview of how to adjust the ISO sensitivity on your camera to control the amount of light captured by the sensor. It explains that a lower ISO number generally results in better quality photos and...

This video provides an informative explanation of depth of field in photography. It begins by defining depth of field as the areas of an image that appear clear and in focus, and highlights how it can be used to draw attention to...

There are a lot of misconceptions about tariffs, and some really good reasons why we don't use them like a hammer anymore.

The COVID pandemic transitioned millions of workers into remote workers almost overnight. There are a lot of obvious benefits for individuals, but what are the broader economic costs?

While AirBnB is more successful than ever, boasting $3.4 billion in revenue last quarter, and 70% increase in their stock price in 2023...some travelers returning to traditional hotels. Customers are annoyed at excessive cleaning fees,...

Unions seem to be having a bit of a moment. You may have heard about the successes of organizers at Amazon warehouses or Starbucks coffee shops–places that historically have been very difficult to unionize. President Joe Biden has...

A video entitled "Interpret Exponential Features" that covers the shapes of exponential curves with different base values.

A video entitled "Percent Change and Error" which shows how to calculate how big of a change occurred based on where the starting point was.