Paul Andersen explains how the cell cycle is used to create new cells. The creation of identical diploid daughter cells, through mitosis, is described. The creation of unique haploid daughter cells, through meiosis is also described. ...

Paul Andersen explains how the process of meiosis produces variable gametes. He starts with a brief discussion of haploid and diploid cells. He compares and contrasts spermatogenesis and oogenesis. He explains how each person is...

Hank begins teaching you about your endocrine system by explaining how it uses glands to produce hormones. These hormones are either amino-acid based and water soluble, or steroidal and lipid-soluble, and may target many types of...

Anatomy & Physiology continues with a look at your biggest organ - your skin. -- Table of Contents: All About Skin 0:22 Epidermis, Dermis, & Hypodermis 1:30 Melanin And Keratin Cells 2:15 Ensure You Get A Good Tattoo 8:01

There are many different approaches to modern yoga— though most forms have three core elements: physical postures, breathing exercises, and spiritual contemplation.This blend of physical and mental exercise is widely believed to have a...

What is Skin For

Paul Andersen takes you on a tour of the cell. He starts by explaining the difference between prokaryotic and eukaryotic cells. He also explains why cells are small but not infinitely small. He also explains how the organelles work...

Hank tells us about the city of Eukaryopolis - the animal cell that is responsible for all the cool things that happen in our bodies.

Over a half-million women in the world get cervical cancer every year, with nearly 80 percent in developing countries. Human papilloma virus, or HPV, causes the cancer and is therefore among the worst instigators of female cancer...

These particular little green organisms show up in the background of other organism’s lives, providing pops of color among other debris. What you are looking at is not a single organism, but rather a gathering of them. Those green bits...

If we were to write a fable to get this moral across, it would have to star the freshwater cnidarian called the hydra. Because in the hydra, the question of butts connects to the ambiguities of immortality, which in turn relates to the...

Naked mole-rats are not keeping their weirdness on the inside. And all their superficial strangeness—the distinctive look, the complex underground society, even the strategic poop-eating—is just the tip of the weird iceberg.

This video explains the process of cells dividing for reproduction, growth in numbers, and healing.

short video bichemist makeup of cells - lipids, protein, nucleic acids, carbohydrates for middle school science

2 minute video describing a cell nucleus - for middle school science

2 minute video comparing mitosis and meiosis for middle school science

2 min video explaining chromosomes for 7th grade science

2 min video describing cell division for middle school science

This video outlines how DNA is structured and coded for genetics.

Why are cells small in size

How cells find balance.

This video compares different types of cells, including plant, animal, prokaryotic, and eukaryotic.

How low in complexity can you go and still have free will. Does a bacteria have free will? Do single cells have it? What do we know about agency in living systems? I collaborated with physicist and author Philip...

Science Kids Longest Living Animals

The video explores the fascinating abilities of the immortal jellyfish, highlighting its unique process of transdifferentiation that allows it to rejuvenate and potentially live forever. By...