As summer intensifies, discover why our skin reacts differently to sun exposure, why some of us tan while others burn, and the essential role of sunscreen and sunglasses in protecting our skin and eyes. Learn the science behind melanin...

Dive into Harvard's Forbes Pigment Collection to discover the origins and uses of some of the world's most unique and hazardous pigments.

In this episode of Nature League, Brit explains how leaves change colors while sharing some footage of fall landscapes in Montana.

Can Microbes See Without Eyes?

Eukaryotes that are clearly not animals, plants, or fungi belong to a very diverse and fascinating group called protists. This series of videos uses captivating video footage to illustrate organisms from tiny microscopic creatures to...

The Chlorophyll Cycle

The Gruesome Tale of the Hitchhiking Parasite

Students will learn why photosynthesis is so important to us. The different plant structures and compounds involved in photosynthesis and transpiration are highlighted. Beyond photosynthesis, plant responses to certain stimuli and...

Chameleons are fancy lizards. They can move and focus each eye independently, they catch food with super long tongues, and they change colors! And if all that wasn't enough, new research has added something bizarre to their already...

In this video, we learn about how we perceive colors, including the beloved color pink. While pink is not part of the visible light spectrum, our eyes and brain work together to interpret the color pink from the light bouncing off...

Light-Harvesting Photosynthetic Pigments and Exciton Transfer

The presence of chromatophores allows some ectotherms change color in response to external stimuli, such as sunlight or a threatening predator. Learn how chromatophores function and why only cold-blooded animals are able to change...

The ciliates we’re going to talk about today are kind of…frustrating. At this point in our journey, we’ve gotten used to the fact that the microcosmos is an indecipherable mess at times, filled with organisms that look like each other,...

In this video, the teacher provides a detailed description of the element chromium. They explain its chemical symbol and atomic number, as well as its physical properties such as its gray, shiny, and hard nature. The teacher explains the...

In this video, the teacher introduces a watercolor course and outlines what will be covered. They explain the basics of watercolors, including the components of paint and different types of binders and additives. The teacher also...

The video discusses the process of chromatography and its application in investigating the inks or pigments in a sample of black ink. The experiment involves using filter paper as the stationary phase and water as the mobile phase. The...

In this video, we dive into the colourful world of paint and its many uses. From its origins in prehistoric times to its modern-day applications, paint plays a crucial role in art, decoration, protection, and sanitation. We learn about...

Plants, unlike most living things, produce their own food through a process called photosynthesis. Photosynthesis means 'making using light'. Plants use the energy from the sunlight to make food. The food matter comes from carbon dioxide...

Almost all life either directly or indirectly depends on one of the most important biological processes on the planet - photosynthesis. Through easy-to-understand graphics and colorful animations, the complex chemical process of...

Why are most plants green? Why do leaves change colors in the autumn? Let's learn about pigments, the molecules that give living organisms their color. They also have other interesting functions, like the famous chlorophyll, which serves...