What is a scientific model and what is it good for? As a prelude to talking about dose-response models on Risk Bites, this week's video is a primer on models -- what they are, and why they are useful. This is part of a series of Risk Bites videos that tackle dose response and response models. Ch
How do you make sense of scientific models without falling into common traps? Here are three rules of thumb. This is part of a series of Risk Bites videos that tackle dose response and response models. This week's Risk Bites team: David Faulkner (post-production) Andrew Maynard (all the other stu
Have you ever wondered how to tell if someone is smart? Sometimes we think they look smart, or how they act, or how they do their jobs. But we can't see intelligence, and we can't test it accurately either. You don't have to be good at school to be smart. Here are a few signs to know if you're intel
For the past 100 years, many brilliant men and women have been researching and thinking about how we learn number concepts and what are the best ways to teach math to children and adults. Combining their findings, we compiled a list containing 10 Rules of learning math. #learn #math #pedagogy Int
Are you wondering about how happiness could be achieved? Are you jealous of others who's constantly happy, but you yourself can't seem to find happiness? Why can't I be happy, you might ask. Sometimes, depression can be the reason of unhappiness or life stressors, but there are actually ways to make
Learn how gravity can be described as the curving of spacetime, according to Einstein’s general theory of relativity, in this video from NOVA: Black Hole Apocalypse. Computer animations illustrate the concept of warped spacetime and how objects “fall” along a curved path. Use this resource to visual
Today, medicine is seen as an authority and a sacred institution. But like any institution, it has a dark past. The story of Dr. Ignaz Semmelweis shows how medicine was terribly wrong and how the poor judgment of the doctors cost many women their lives. In 19th-century Vienna, the young doctor was r
In this video we are going to look at how to do calculations with standard form. When adding and subtracting numbers in standard form, we need to write the numbers out into ordinary numbers, do the sum and then turn the answer back into standard form. With multiplication and division we can work
Click here to see more videos: https://alugha.com/CalvinRans Mrs. Hannah Hypothesis examines the force-deflection behavior of a spring using the scientific method. This video series began as a segment in the MOOC called Introduction to Aerospace Structures and Materials offered by the Faculty of
Hear how a research assistant got her start in biotechnology — Sandra fell in love with science during her certificate program in Boston, Massachusetts. The video details not only Sandra's cutting-edge research work — using nanotechnology, rather than needles, to deliver vaccines — but also the qual
The bathochromic (color-deepening) effect is explained using the example of three different molecules. Original: "Wolfgang Dukorn" Original: German. All translations in this video have been done by the alugha AI.
In the early 1900s, most geologists thought that Earth's appearance, including the arrangement of the continents, had changed little since its formation. This video segment, adapted from the "Earth Explorer" episode of Discovering Women, describes the impact the theory of plate tectonics has had on
