A rock sample collected by the Mars Perseverance rover could help answer the question of "whether Mars was home to microscopic life," according to NASA's Jet Propulsion Laboratory. Credit: NASA/JPL-Caltech

Microscopic air sacs in the lungs where gas exchange takes place between blood and the atmosphere.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise...

A sedimentary rock composed mostly of calcium carbonate; relatively soft, and light brown in colour.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and...

What is a virus and is it alive?
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Biology - Cells And DNA - L
ea
rning Points.
/> A Twig FactPack Film.
Open a discussion on what has been already learnt in a topic, or use to grab attention at the...

A series of rings surrounding the planet Saturn.
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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...

Discover the amazingly diverse world of algae. These species come in all shapes and sizes, and are one of the most important groups of organisms on our planet. Biology - Ecosystems - Learning Points. Algae produce more oxygen than all...

Explore the world of extreme close-up photography in this captivating video journey. From the macro modes of smartphones to the precision of Canon lenses, witness the incredible detail captured by cameras pushing the limits of closeness....

Electrons and Ions describes what occurs in an atom when electrons are added or removed from the outer shell using the terms ion, bonding, gain, lose, and charge.

Learn about Phytoplankton's Diatoms and Dinoflagellates and their process of producing oxygen and feeding marine animals with the phytoplankton video.

This video introduces the viewer to the six kingdoms of life found on planet Earth.

This video provides a brief overview of the early stages of life on Earth, highlighting the importance of organic compounds in the early oceans and the role they played in the development of the first living cells. It also discusses the...

With funding from the National Science Foundation, Peter Ungar is revealing more details about the lives of our human ancestors, and he's doing it through dentistry -- sort of! The University of Arkansas anthropologist uses high tech...

Imagine if engineers could build a computer to be millions of times faster than anything that exists today, yet so small it's microscopic. John Preskill, a theoretical physicist at the California Institute of Technology, explains the...

In this video, we explore the differences between a microscopic organism called an amoeba and a bird. We also learn about the concept of multicellularity, where living things like flowers, human beings, and marine iguanas are made up of...

If you don’t already have a skincare routine, it might be time to pick one up, because once you see this… you can’t unsee it. This week, Mark and Dr. Hunter Hines, a Microbial Ecologist, are getting face-to-face with face parasites....

Overview on how to examine and explore histology slides using a light microscope.

Gnathostomulida have surprisingly large and powerful jaws for their size, which has given them the popular nickname, "jaw worms". The discovery of these marine microorganisms just a few decades ago indicated that there may be an...

New research led by NASA researchers has found populations of the microscopic marine plants, phytoplankton, have decreased in the Northern Hemisphere. An analysis using a NASA model in combination with ocean satellite data between...

We also don't really know what rotifers are... but we'll try to tell you as much as we know!

Inside Science takes viewers on a mission of discovery aboard an Arctic Ocean research vessel which is scooping up samples of micro-organisms from the ocean floor, three miles down. The expedition is part of the 'Census of Marine Life',...

This live-action video program is about the word transpiration. The program is designed to reinforce and support a student's comprehension and retention of the word transpiration through use of video footage, photographs, diagrams and...

This live-action video program is about the word protists. The program is designed to reinforce and support a student's comprehension and retention of the word protists through use of video footage, photographs, diagrams and colorful,...

Upon viewing the Microscopic Life video series, students will be able to do the following: Understand that only during the past few hundred years have people been able to see and study very small life forms, generally referred to as...

Cell Structure and Function Set: 1. This clip introduces the cell as the basic block of life: Basic cell structure in prokaryotes and eukaryotes is described.