S4 E10

Weed Is Everywhere, So Why Is It Still A Medical Mystery?

There’s a (lack of) science behind medical marijuana. Meet the doctors working to change that.

Published on 6/24/2019 at 2:25 PM

Seeker inspires us to see the world through the lens of science and evokes a sense of curiosity, optimism and adventure.

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How a Record-Breaking Solar Storm Ignited a Vietnam War Mystery

Declassified files are showing researchers the unpredictable nature of the Sun and helping them work towards predicting the next big solar storm.

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Inside the Race to Reinvent the Nuclear Reactor

Nuclear power may be making a comeback as researchers develop reactors that are smaller than ever before.

Is Our Entire Universe Held Together By One Mysterious Number?

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S4 E5

Is Our Entire Universe Held Together By One Mysterious Number?

Physicists are beginning to wonder if so-called fundamental constants of nature vary over time and space, and are looking to the galaxy’s quasars for answers.

Inside NASA’s Race Back To Neptune’s Icy Moon

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S4 E6

Inside NASA’s Race Back To Neptune’s Icy Moon

Could Neptune’s moon, Triton, harbor life? NASA scientists are working on a mission concept that after 30 years could finally return us back to this icy world.

Weed Is Everywhere, So Why Is It Still A Medical Mystery?

Focal Point

S4 E10

Weed Is Everywhere, So Why Is It Still A Medical Mystery?

There’s a (lack of) science behind medical marijuana. Meet the doctors working to change that.

CERN’s Ambitious Plan to Build the Largest Particle Smasher Ever

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S4 E9

CERN’s Ambitious Plan to Build the Largest Particle Smasher Ever

The LHC is the world’s largest particle collider, but has it hit its limit? An international community of physicists are calling for a new CERN “discovery machine” that can reach even higher collision energies and potentially unlock the biggest mysteries of our universe.

How NASA Mission Designers Invent Futuristic Spacecraft

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S4 E8

How NASA Mission Designers Invent Futuristic Spacecraft

From journeying to distant worlds to catching asteroids, this NASA conceptual design team turns the spacecraft of your dreams into reality.

These Engineers Want to 3D Print an Entire Rocket in 60 Days

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These Engineers Want to 3D Print an Entire Rocket in 60 Days

This team of engineers is using one of the world's largest 3D metal printers to build rockets, and it could shake up the space industry as we know it.

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S4 E4

This Brand New Method Unlocks The Molecular Potential of Waste

Dubbed the ‘alchemist of waste,’ materials scientist Veena Sahajwalla is closing the loop on fast fashion by tapping into fabric’s molecular potential.

Could This Secret Ingredient Make Meat Better for the Planet?

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S4 E3

Could This Secret Ingredient Make Meat Better for the Planet?

Seaweed is on the menu! This superfood plucked from the ocean is being fed to a group of lucky California cows to curb their methane production, and the results might just save the planet.

How Your Invisible Exposome Cloud Could Be Messing With Your Health

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S4 E2

How Your Invisible Exposome Cloud Could Be Messing With Your Health

Microscopic bits can hitch a ride on your clothes, find their way into your body, and impact your personal health. They’re part of your exposome—and everyone has one.