The Human Body
Scientists Discovered How Sleep Cleans Toxins From Your Brain
Elements
S4 E6

Scientists Discovered How Sleep Cleans Toxins From Your Brain

Scientists now know how cerebrospinal fluid cleans the brain as you sleep, removing toxins that could cause Alzheimer's.

Your Textbooks Are Wrong, This Is What Cells Actually Look Like
Focal Point
S5 E15

Your Textbooks Are Wrong, This Is What Cells Actually Look Like

With new advances in microscopy, biologists are able to see the secret life of cells unfolding like never before.

How Close Are We to Immortality?
How Close Are We
S4 E3

How Close Are We to Immortality?

Researchers are working to get to the bottom of longevity, unlocking the secrets about how we can extend our lifespans well into our 100's... and beyond.

A New Laser Technology Can See Inside Our Bodies Like Never Before
Elements
S3 E81

A New Laser Technology Can See Inside Our Bodies Like Never Before

While X-rays can produce harmful radiation, a new technique using laser-induced sound waves provides highly detailed images of the structures in our bodies.

This Part of Your DNA Could Shorten Your Lifespan
Elements
S3 E54

This Part of Your DNA Could Shorten Your Lifespan

The length of telomeres may be the key to how fast we are aging, and they can be affected by our daily stresses. We can help build them back up, but first, what are telomeres?

How Close Are We to a Complete Map of the Human Brain?
How Close Are We
S3 E5

How Close Are We to a Complete Map of the Human Brain?

If we could fully map the inner workings of our brain, we could understand disease, consciousness, and what it is that makes us human. Only snag? There are more connections in the human brain than there are stars in the Milky Way. So, how close are we to mapping the human brain?

This 3D Bioprinted Organ Just Took Its First "Breath"
Elements
S3 E40

This 3D Bioprinted Organ Just Took Its First "Breath"

This breathing air sac model serves as a proof of concept for a field where printing vasculature has been one of the biggest challenges.

Scientists Are Close To Eliminating Pain, Here’s How
Elements
S3 E19

Scientists Are Close To Eliminating Pain, Here’s How

How we might experience the unpleasantness of pain might come down to these 150 neurons in mouse brains.

These Sleep Engineers Can Help You Hack Your Dreams
Science In The Extremes
S3 E11

These Sleep Engineers Can Help You Hack Your Dreams

A group at MIT’s Media Lab known as the “Dream Team” thinks we can harness our unconscious mind using tech you can wear to bed.

Sponsored By US Airforce
What Really Happens to Your Blood After You Donate?
Elements
S3 E10

What Really Happens to Your Blood After You Donate?

Plasma gathered from your blood can be exported across the globe, but what exactly is it, and why is it in demand?