Lesson on phenylketonuria. Phenylketonuria (PKU) is an inherited disorder of phenylalanine metabolism, resulting in insufficient enzymatic processing of phenylalanine. As a result, phenylalanine levels increase, leading to increased...

In this video, we will discuss the biosynthetic pathway for human pheromones in both males and females; and discuss their implications.

This video explores the fascinating process of how we taste and experience flavors. It delves into the role of taste buds, the connection between taste and smell, and how our brain evaluates and reacts to different flavors. It also...

In this video, we explore the mechanism of pheromones by examining the structure, function, and pathway to the brain for Jacobson’s organ aka the vomeronasal organ.

In this video, we explore the features and interventions for dry and wet gangrene.

In this video, the importance of scent and its connection to memory and emotion is explored. From the invigorating scent of peppermint to the relaxing aroma of lavender, different scents have various benefits. Additionally, pleasant...

Dr. Bryan N. Duncan is a deputy project scientist for the Aura Mission at NASA's Goddard Space Flight Center in Greenbelt, Maryland.



He recently presented the story of air quality in three cities: Beijing, Los Angeles...

In this video, we explore the following as it pertains to cranial nerve I, the olfactory nerve: Origin Anatomy Functions Pathway to the Brain Testing

Since ancient times, people have used raw materials like flowers and oils to cover up odors and make themselves smell better. These days most perfumes are mass produced. Learn how a scent transforms from a raw material into a perfume you...

New evidence suggests that sea turtles are drawn to the smell of plastic debris found in the ocean, according to a report published in Current Biology. <br/>

How did WWI soldiers keep clean in the trenches? The answer lies somewhere between "with great difficulty" and "they didn't." Although WWI was known as the Great War, trench hygiene was anything but great.

According to Mary Johnson, principal scientist at Procter & Gamble, over two-thirds of laundry dirt comes from the secretions of the outer body, namely in the forms of sweat and sebum. Sebum is the oily waxy substance that you feel on...

This video explores the issue of plastic pollution and its impact on the environment, focusing on the challenges of recycling and waste management. It also highlights the struggles faced by a community living near a landfill, including...

Puberty for Boys and Girls: Top Ten Things to Expect is a program especially designed to introduce preteens to the changes that accompany adolescence.



Through live-action and animation, students will learn about the...

Whether it is the sight of colorful flowers, or the smell of freshly baked cookies, our senses are constantly at work. Breathtaking video footage and three-dimensional animations illustrate how complex sensory organs function. Special...