S1 E15

How Does Fat Give Us an Evolutionary Advantage?

Published on 5/19/2022 at 12:00 PM

Fat often gets a bad rap, but it isn't our enemy. From its role storing energy to releasing hormones that control the feelings of hunger, it's essential to us every single day.

More Videos

This Is How Your Body Makes New Cells

Human

S1 E19

This Is How Your Body Makes New Cells

If we want to become a functioning human being, we need to have cells grow and replicate.

This Is How Your DNA Made You

Human

S1 E18

This Is How Your DNA Made You

DNA is the genetic instructions that tell your body where to put each finger and how to orient the heart, but how does this process work on a cellular level?

How to Build Muscle, According to Science

Human

S1 E17

How to Build Muscle, According to Science

Your muscles change a lot over the course of your life.

How Exactly Is Your Body Held Together?

Human

S1 E16

How Exactly Is Your Body Held Together?

Connective tissue does a lot more than just keep you in one piece.

How Does Fat Give Us an Evolutionary Advantage?

Human

S1 E15

How Does Fat Give Us an Evolutionary Advantage?

Fat often gets a bad rap, but it isn't our enemy.

This Is How Your Body Turns Food Into Energy

Human

S1 E14

This Is How Your Body Turns Food Into Energy

Your body needs energy to do, well, everything.

Mitochondria Aren't Just the Powerhouse of the Cell

Human

S1 E13

Mitochondria Aren't Just the Powerhouse of the Cell

Mitochondria are so much more than the powerhouse of the cell.

How Exactly Is the Human Brain Organized?

Human

S1 E12

How Exactly Is the Human Brain Organized?

The human brain remains one of the biggest mysteries in science, but we’ve learned a lot about how it works over the years.

The Hidden Electrical World Inside Your Body

Human

S1 E11

The Hidden Electrical World Inside Your Body

Our bodies rely on an ultrafast nervous system to send impulses very quickly and it all starts with a special cell called the neuron.

Why Do Lymph Nodes Swell Up When You're Sick?

Human

S1 E10

Why Do Lymph Nodes Swell Up When You're Sick?

Your lymphatic system plays an essential role in keeping you healthy, but how exactly does it work?

This Is How Your Body Builds Immunity

Human

S1 E9

This Is How Your Body Builds Immunity

We encounter bacteria, viruses and parasites all the time, but how exactly does our immune system kill these dangerous pathogens?

Your Cells Send Trillions of Messages Every Second, Here’s How

Human

S1 E8

Your Cells Send Trillions of Messages Every Second, Here’s How

To function properly, our bodies depend on tons of chemical messages to fire every second of our lives, but how exactly does our body know how to do this?

Why Do We Need Hormones?

Human

S1 E7

Why Do We Need Hormones?

If you think puberty is all hormones are good for, think again!

The Hidden Physics Behind Your Breath

Human

S1 E6

The Hidden Physics Behind Your Breath

You breath all the time, whether you think about it or not.

This Is How Your Body Makes New Blood

Human

S1 E5

This Is How Your Body Makes New Blood

Forget about young blood!

Why Do Arteries Get Clogged? It’s Not What You Think

Human

S1 E4

Why Do Arteries Get Clogged? It’s Not What You Think

Heart disease is the number one killer in the world.

We Could Soon Turn Any Blood Type Into Universal Donor Blood

Human

S1 E3

We Could Soon Turn Any Blood Type Into Universal Donor Blood

A, B, AB, O: What exactly do the different blood types mean and how are they inherited?

Blood Is So Much More Than You Think, Here's What's Inside

Human

S1 E2

Blood Is So Much More Than You Think, Here's What's Inside

Blood is the ultimate travel companion in your body, and everyone's got some.

How Exactly Is the Human Body Organized?

Human

S1 E1

How Exactly Is the Human Body Organized?

We explore biological organization (the hierarchy of complex biological structures), and take a closer look of the integumentary system—which includes the skin and its appendages that derive from the epidermis.