Paul Andersen reviews the concepts discovered by Gregor Mendel.

In the South Pacific, there is a rare tree so rich in metal that its sap runs blue.

When ultraviolet sunlight hits our skin, it affects each of us differently. Depending on skin color, it'll take only minutes of exposure to turn one person beetroot-pink, while another requires hours to experience the slightest change....

In this video Paul Andersen explains the elements in the Hardy-Weinberg equation; including the allele frequency and phenotype frequency. He begins with a brief explanation of phenotypes and genotypes. A sample problem is worked out...

Hank continues our exploration of animal phyla with the more complexly organized annelida and arthropoda, and a biolography on insects.

Hank brings us the story of Gregor Mendel, the Austrian monk who, with the help of a garden full of pea plants, discovered the fundamental properties of inheritance and paved the way for modern genetics. He also gives us the dirt on a...

How would you measure a personality? What, exactly, is the self? Well, as you've come to expect, it's not that easy to nail down an answer for those questions. Whether you're into blood, bile, earth, wind, fire, or those Buzzfeed...

Hank introduces us to nonvascular plants - liverworts, hornworts & mosses - which have bizarre features, kooky habits, and strange sex lives. Nonvascular plants inherited their reproductive cycle from algae, but have perfected it to the...

This video describes the difference between incomplete and codominance of genetics.

2 min video explaining human pedigree charts for middle school science

A video entitled "Scientific Work" which talks about the characteristics and traits of scientists.

Howcast - Learn about narcissistic personality disorder from psychiatrist Ankur Saraiya in this Howcast video.

Pupil outcome: I can clearly explain the purpose of Golding's novel and his message about human behaviour. Key learning points: - Golding aims to provide an incisive insight into human behaviour. - Golding was horrified by the brutality...

Dominant trait needs only 1 affected allele, whereas recessive trait needs both allele. Normally a dominant trait will be seen in all generations, but a recessive trait may skip generations. We can have X-linked dominant or autosomal...

Summarized tips for Pedigree analysis

What is Theory X? What is Theory Y?

What is the Myers-Briggs Type Indicator (MBTI)? How is it relevant to organizational behavior?

What is the Big Five Model of Personality Traits? The Big Five personality traits are extraversion (also often spelled extroversion), agreeableness, openness, conscientiousness, and neuroticism. The Big Five remain relatively stable...

What is the Horn Effect Bias? The Horn effect is a type of cognitive bias that happens when you make a snap judgment about someone on the basis of one negative trait. An example of the Horn effect is when a company releases a bad product...

In this video, the teacher explores fun facts about the human body while emphasizing the importance of tolerance, solidarity, and humanity. Students learn about the power of virtues and how they can make a positive impact on the world....

“Compare Parents and Offspring” discusses how animal offspring will closely resemble their parents.

Lactose intolerance is quite common, especially in Asian countries. The reason behind this is gene-culture co-evolution. Lactose intolerance is the inability to digest lactose in milk because they lack the lactase enzyme. A 1981 study...

Our physical appearance is significantly influenced by our genes, which are inherited from our parents, who in turn receive their genetic material from their own parents. When your genetic makeup closely mirrors that of your...

A change in a DNA sequence.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce abstract...