Health
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.

Are We Close to an Allergy Cure?
Seeker Plus
S3 E21

Are We Close to an Allergy Cure?

Is there a cure for allergies?

Who Gets Allergies?
Seeker Plus
S3 E20

Who Gets Allergies?

So why do some people get allergies, while others don’t?

Why Are Allergies So Common?
Seeker Plus
S3 E19

Why Are Allergies So Common?

Every time spring comes along, it bodes bad news for those who suffer from allergies.

How to Take the Perfect Nap
Elements
S6 E17

How to Take the Perfect Nap

PSA: Napping isn't just for kids!

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