How do we explain the unexplainable? This question has inspired numerous myths, religious practices and scientific inquiries. But Zen Buddhists practicing throughout China from the 9th to 13th century asked a different question - why do...

Explore the steps of transcription and translation in protein synthesis! This video explains several reasons why proteins are so important before explaining the roles of mRNA, rRNA, and tRNA in the steps of protein synthesis! Expand...

How to Read a Codon Chart

Explore the endosymbiotic theory with the Amoeba Sisters! This theory explains the development of the eukaryote cell from prokaryote cell symbiosis. Scientific theories are also briefly defined. Table of Contents: Intro 00:00 What is a...

For tens of thousands of years our ancestors understood the world through myths, and the pace of change was glacial. The rise of scientific understanding transformed the world within a few centuries. Why? Physicist David Deutsch proposes...

In this video Paul Andersen shows you how you can use modeling to have your students construct explanations in the science classroom.

Join the Amoeba Sisters in their introduction to the circulatory system and follow the pathway of blood as it travels through the heart! This video explains the importance of blood, arteries, and veins, and it also introduces basic heart...

Explore the basics of how antibiotics, antivirals, and vaccines work to help your immune system in the fight against pathogens! This Amoeba Sisters video also briefly introduces the lines of defense in the immune system and discusses how...

A short guide for parents teaching science during the Coronavirus Pandemic of 2020.

In this video Paul Andersen explains how you can have your students plan and carry out their own investigations.

Because you demanded it .... we break down the EM Drive!

This Amoeba Sisters video starts with providing examples of prokaryotes and eukaryotes before comparing and contrasting prokaryotic cells with eukaryotic cells! Contents: 00:00 Intro 1:27 Modern Cell Theory 1:37 3 Domains (with examples...

To repeat the space time maxim: it's never aliens .... until it is. So let's talk about 'oumuamua.

You’re peeing when, suddenly, you’re shivering! What gives!?

Explore the process of osmosis in this updated Amoeba Sisters video! Video features real life examples of osmosis, important vocab, and introduces concept of water potential and turgor pressure in plant cells. Expand details for table of...

Two new versions of the coronavirus that causes COVID-19, the UK and South African variants, were announced in December. They've spread quickly in their countries of origin, and have begun popping up around the world. Join us to find out...

Explore the parts of the cell membrane with The Amoeba Sisters! Video discusses phospholipid bilayer, cholesterol, peripheral proteins, integral proteins, glycoproteins, and glycolipids - as well as why the surface area to volume ratio...

In 1999, scientists discovered something that took over 20 years to solve. Why do solar flares move like a lava lamp?

Hank describes some of the best explanations that neurologists have come up with to account for the strange sensation we know as déjà vu.

How do cells in your body differentiate into other types of cells? Explore cell specialization featuring stem cells and their role in cell differentiation.

Explore the cycling of carbon among carbon reservoirs! Then discover the importance of nitrogen, essential for amino acids and nucleotides, and learn about the nitrogen cycle! Expand details for table of contents. Table of Contents:...

Evolution vs Natural Selection

Whether your favorite band is One Direction or Slayer, you can probably tell tense chords from relaxed ones, but what exactly gives them those qualities?

The best evidence we have suggests that, while Caviomorpha originated in South America, they came from ancestors in Africa, over 40 million years ago. So how did they get there?