Professor Dave Explains
Methods of Dating the Earth Part 2: Absolute Dating (Radiometric Dating)
We just learned about relative dating, but if you really want to calculate the age of a rock, absolute dating is what you need. This takes advantage of the presence of radioactive nuclides that decay at a reliable rate, so it is also...
Curated Video
Football Files - Episode 47 – CRISTIANO RONALDO
SKILLS TORRES HAS DAZZLING SKILLS AND IS ONE OF THE MOST TECHNICALLY PROFICIENT PLAYERS IN THE GAME. CAREER VOTED JUNIOUR PLAYER OF THE YEAR IN 1998 TORRES WAS THE YOUNGEST PLAYER TO DEBUT FOR ATLETICO DE MADRID AT JUST 15. TOURNAMENT IN...
Professor Dave Explains
Neutrophils: First Line of Defense
We've covered macrophages and dendritic cells, so let's move on to neutrophils. These are the most abundant white blood cells, and they act as the first line of defense in innate immunity. How do they form, and what do they do...
Professor Dave Explains
Dendritic Cells: The Regulators
With macrophages covered, let's move on to another innate immune cell type, dendritic cells. These are able to capture and present antigens to the T cells of the adaptive immune system, prompting a variety of outcomes. Let's take a look...
Curated Video
Hubris: Aaron Burr
Aaron Burr's ambition led him from political prominence to infamy. Fueled by hubris, he dueled Hamilton and plotted treason, showcasing the perils of unchecked pride.
The Business Professor
Deductive Message - Communications
The Deductive Communication Approach™ uses an 'top-down' structure, where you answer the question first, then list your main reasons(s) and supporting arguments, and then summarize the broader usefulness of your point.
The Business Professor
Congruity Theory
Role congruity theory proposes that a group will be positively evaluated when its characteristics are recognized as aligning with that group's typical social roles.
Curated Video
What is Obsessive-Compulsive Disorder (OCD)?
Obsessive-Compulsive Disorder (OCD) is a disorder in which a person has unwanted intrusive and repetitive thoughts that become obsessions. These obsessions then make them do things to relieve the thoughts, a behavior called compulsions....
All Ears English
1928 - Avoid Asking What Are Your Hobbies What to Say Instead
Did your textbook teach you to ask 'what are your hobbies?' Today, find out why you should avoid this and how you can re-frame the question and the answer in English for a much better connection moment.
Curated Video
Goals: Creating Achievable Goals
In this video, Mark will focus on the importance of achievability in goal-setting, sharing strategies to ensure goals are attainable, and highlighting examples of achievable and non-achievable goals.
The Guardian
Kung Fu Family
In the video series ‘My People’, Guardian Australia explores the peculiar subcultures and niche communities bringing people together across the country. With the breakdown of more traditional communities, these new groups of shared...
Curated Video
Why You Catastrophize and How To Stop It
Do you catastrophize? In other words, do you tend to jump to the worst-case scenario when faced with a problem or challenge? If so, watch this video. You'll learn why we do this and more importantly, how to stop it. Disclaimer: All of...
Curated Video
Why Fish Oil Is Good For You and Helps Your Brain
The benefits of fish oil are numerous. Fish oil contains omega fatty acids and in this video I talk about omega 3 fatty acid benefits. I specifically discuss how Omega 3 fatty acids can help depression and other mental disorders. Here’s...
Curated Video
What Happens To Your Body When You Don't Sleep?
What happens to your body when you don’t sleep? Here are the take away points: Poor sleep puts you at risk for weight gain, diabetes and worsening ADHD (especially in children). These negative health effects occur with chronic poor...
Curated Video
History & Facial Reconstructions of the Celtic Rebel & British Hero | Royalty Now
Meet the woman who gathered the largest army the Roman Empire ever faced. Boudica was the Queen of the Iceni tribe, located in what is now Norfolk, England. She led an uprising of Celtic tribes after the Romans pillaged her town, and...
Curated Video
Does Obsidian Really Form the Sharpest Edge?
In this video, we investigate how sharp different edges are by attempting to split a single hair. The results from this are unexpected, so we try to understand the problem better by building a sharpness tester and even measuring the edge...
Curated Video
Ending of a Story
"Ending of a Story" models understanding of story structure by explaining how to identify what happens at the end of a story.
Professor Dave Explains
Understanding Climate Part 1: Orbital Variations and the Sun
With the scale of ecology now understood, we can start to look at one of the most important concepts in ecology, climate. What is climate? How does it differ from weather? How does climate change over time and why? Let's do a deep dive now!
The Business Professor
Heuristics
What are Heuristics? How are they relevant to organizational behavior? Heuristics are mental shortcuts that can facilitate problem-solving and probability judgments. These strategies are generalizations, or rules-of-thumb, that reduce...
The Business Professor
Group Cohesion
What is Group Cohesion? the unity or solidarity of a group, including the integration of the group for both social and task-related purposes.
The Business Professor
Designing a Team
What is Designing a Team? Team design is the process of organizing individuals into a cohesive coalition—one that makes a concerted effort to achieve a shared outcome. Teamwork has a lot of advantages: combined brain power, complementary...
The Business Professor
Charismatic Leadership
Charismatic Leadership. Charismatic authority is a concept of leadership developed by the German sociologist Max Weber. It involves a type of organization or a type of leadership in which authority derives from the charisma of the...
The Business Professor
3C Leadership Model
3C Leadership Model, The model is based on the premise that leaders exist because individuals need guidance, without which they do not always know what they can accomplish,