Seeker - Science & Exploration | Always Curious

1 Season

3 Episodes

Impact is a series that not only shines a spotlight on the problems facing our world, but offers a peek into possible solutions, both big and small, that are happening right now.

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Must Watch

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.

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?

Human

S1 E17

How to Build Muscle, According to Science

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

Human

S1 E16

How Exactly Is Your Body Held Together?

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

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The Latest

Human

S1 E15

How Does Fat Give Us an Evolutionary Advantage?

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

Human

S1 E14

This Is How Your Body Turns Food Into Energy

Your body needs energy to do, well, everything.

Human

S1 E13

Mitochondria Aren't Just the Powerhouse of the Cell

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

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.

Seeker Plus

S3 E21

Are We Close to an Allergy Cure?

Is there a cure for allergies?

Seeker Plus

S3 E20

Who Gets Allergies?

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

Seeker Plus

S3 E19

Why Are Allergies So Common?

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

Elements

S6 E17

How to Take the Perfect Nap

PSA: Napping isn't just for kids!

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.

Elements

S6 E16

Rockets Need Special Places to Launch, Here’s Where

Many of the U.S.'s most iconic rocket launches have taken place in a region on Florida's coast.

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?

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?

Seeker Plus

S3 E18

What Would It Take to Terraform Other Planets?

What if you could turn Mars or Venus into another Earth?

Elements

S6 E15

NASA’s Solar Probe Did the Impossible, Here’s How

The Parker Solar Probe just made a historic flyby of the Sun. For the first time, the satellite passed through the Alfvén Critical Surface, which is where the Sun's atmosphere ends.

Seeker Plus

S3 E17

Controlling the Weather Isn’t Science Fiction

The idea of controlling the weather sounds like an evil plan hatched by a James Bond villain, but it’s closer to reality than you might think.

Seeker Plus

S3 E16

Why Is the Weather So Hard to Predict?

If you think the weather forecast is always wrong, well then we’ve got news for you.

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?

Elements

S6 E14

Your Next Burger Could Be Made With Microbes

Fermentation is a natural process that humans have been hacking for millennia.