S3 E41

The Mystifying Structures Hidden Within Earth’s Mantle

40 years ago researchers discovered two continent-sized blobs wrapped around Earth's core, and they're still trying to figure out what they are. Here's what they know so far.

Published on 5/6/2019 at 7:55 PM

More Videos

Elements

S3 E119

New Theory Reveals Why Tabby’s Star Looks So Bizarre

S3 E119

Elements

S3 E118

This New Tech Could Revolutionize How We Store Renewable Energy

S3 E118

Elements

S3 E117

'Magic' Angle Graphene Is BACK...With An Even Bigger Twist

S3 E117

Elements

S3 E116

What Has No Brain, 720 Sexes, And the Ability To Self-Heal?!

S3 E116

Elements

S3 E115

Why NASA’s InSight Mission Can’t Scratch Mars’ Surface

S3 E115

Elements

S3 E114

What’s Actually Happening in Your Noise-Canceling Headphones

S3 E114

Elements

S3 E113

The Existence of White Holes May Settle One of Physics’ Biggest Debates

S3 E113

Elements

S3 E112

This Secret X-37B Plane Just Landed After 780 Days in Orbit

S3 E112

Elements

S3 E111

The Search For an HIV Vaccine May Soon Be Over

S3 E111

Elements

S3 E110

Scientists Just Witnessed the Birth of Two Stars in Stunning Detail

S3 E110

Elements

S3 E109

The UK Is Racing to Build the World’s First Commercial Fusion Power Plant

S3 E109

Elements

S3 E108

India Just Unveiled its Ambitious Plan to Build a Space Station

S3 E108

Elements

S3 E107

This Breakthrough in Lab-Grown Meat Could Make it Look Like Real Flesh

S3 E107

Elements

S3 E106

Could Ocean Cleanup’s New Interceptor Help Solve Our Plastic Problem?

S3 E106

Elements

S3 E105

Scientists Just Witnessed the Birth of a Heavy Element in Space

S3 E105

Elements

S3 E104

NASA’s WFIRST Space Telescope Will Offer Unprecedented Look At Universe

S3 E104

Elements

S3 E103

Everything We Know About Dinosaur Evolution Just Changed, Here’s Why

S3 E103

Elements

S3 E102

How Big Is a Proton? This Decade-Long Debate May Have Just Been Solved

S3 E102

Elements

S3 E101

We’re Getting Closer to Seeing Our Universe’s First Light

S3 E101

Elements

S3 E100

Falling Atoms Are Helping NASA Measure Earth’s Gravity

S3 E100

Elements

S3 E99

There’s a Hidden Continent Lurking Beneath Europe

S3 E99

Elements

S3 E97

Urgent Spacewalk Turns Into Historical Moment For NASA

S3 E97

Elements

S3 E98

NASA Is Planning to Slam a Spacecraft Into an Asteroid

S3 E98

Elements

S3 E96

How Scientists Discovered Nearly 200,000 Viruses Hiding in Our Ocean

S3 E96

Elements

S3 E95

What Quantum Matter Fireballs Can Tell Us About Evolution of the Universe

S3 E95

Elements

S3 E94

This Arctic Expedition Is Freezing a Ship for an Entire Year, Here’s Why

S3 E94

Elements

S3 E93

Did Google Just Achieve 'Quantum Supremacy'?

S3 E93

Elements

S3 E92

Could Ultracapacitors Realize Their Full Potential... With Laxatives?

S3 E92

Elements

S3 E91

Transforming Air Into Pure Drinking Water Is Finally Possible, Here’s How

S3 E91

Elements

S3 E90

This Underground Economy Exists in a Secret Fungi Kingdom

S3 E90

Elements

S3 E89

Camera Measures Scattered Light to Detect Objects Outside Line of Sight

S3 E89

Elements

S3 E88

How These Bacteria Become Electrical Cables That Could Power Our World

S3 E88

Elements

S3 E87

WiFi 6 Just Launched and Here’s What It Means for Your Internet

S3 E87

Elements

S3 E86

Could Injecting Carbon Into the Earth Save Our Planet?

S3 E86

Elements

S3 E85

A Vaping-Related Illness Has Turned Deadly, Here’s What You Need to Know

S3 E85

Elements

S3 E84

Carbon Nanotubes Might Be the Boost Solar Energy Has Been Looking For

S3 E84

Elements

S3 E83

NASA’s TESS Is Getting Us One Step Closer To Another Earth, Here’s How

S3 E83

Elements

S3 E82

First Photo of Quantum Entanglement Could Disprove Einstein’s Theory

S3 E82

Elements

S3 E81

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

S3 E81

Elements

S3 E80

Scientists Were Hunting for Dark Matter... and Then This Happened

S3 E80

Elements

S3 E79

No, the Amazon Rainforest Doesn’t Produce 20% of Our Oxygen, Here’s Why

S3 E79

Elements

S3 E78

Aerogel Could Be the Key to Colonizing Mars, Here's How

S3 E78

Elements

S3 E77

Why Is It So Hard to Figure Out How Fast the Universe Is Expanding?

S3 E77

Elements

S3 E76

This Deep-Sea Robot Will Explore Depths of the Ocean Like Never Before

S3 E76

Elements

S3 E75

Why Scientists Are Injuring Digital Humans to Improve Your Life

S3 E75

Elements

S3 E74

World’s First MRI of SINGLE Atom Is Here, It Could Revolutionize Imaging

S3 E74

Elements

S3 E73

How This New State of Matter Is Made With Lasers, Crystals, & Frustration

S3 E73

Elements

S3 E72

Scientists Detected Two Supermassive Black Holes on a Collision Course

S3 E72

Elements

S3 E71

Scientists Just Confirmed a Rare Lava Lake Is Hiding in an Ice Mountain

S3 E71

Elements

S3 E70

Why Elon Musk Wants to Implant an Electrical Wire in Your Brain

S3 E70

Elements

S3 E69

Earth’s Magnetic North Pole Is Shifting South… So What Now?

S3 E69

Elements

S3 E68

This New Discovery Could Reveal the Secret to How Galaxies Die

S3 E68

Elements

S3 E67

If Chernobyl Happened Today, How Could We Treat the Radiation Poisoning?

S3 E67

Elements

S3 E66

How Chaos Theory Unravels the Mysteries of Nature

S3 E66

Elements

S3 E65

We Just Found a MAJOR Clue About How Life Started in the Universe

S3 E65

Elements

S3 E64

Scientists Just Discovered Fresh Water Under the Ocean, and It’s HUGE

S3 E64

Elements

S3 E63

This “Beating” Heart Patch Could Repair Broken Hearts

S3 E63

Elements

S3 E62

How Sonic Black Holes Could Confirm Hawking’s Radiation

S3 E62

Elements

S3 E61

Scientists Just Got One Step Closer to Solving an Antarctic Mystery

S3 E61

Elements

S3 E60

Why Scientists Are Exploring Earth’s Dangerous Twin

S3 E60

Elements

S3 E59

The Secret to Planet Formation Might Be Hiding in the ‘Fulton Gap’

S3 E59

Elements

S3 E58

Why Did Microsoft Put a Data Center Underwater?

S3 E58

Elements

S3 E57

SpaceX’s Plans For Universal Internet Could Ruin Astronomy

S3 E57

Elements

S3 E56

We Just Discovered How The Milky Way’s Twin Was Destroyed

S3 E56

Elements

S3 E55

Is This Color Blue? Maybe Not

S3 E55

Elements

S3 E54

This Part of Your DNA Could Shorten Your Lifespan

S3 E54

Elements

S3 E53

How Bad Are Rocket Launches for the Environment?

S3 E53

Elements

S3 E52

Here’s Why Repairing the Hole in the Ozone Layer Is Delayed by a Decade

S3 E52

Elements

S3 E51

How Space Triggers Herpes in Astronauts

S3 E51

Elements

S3 E50

Scientists Created a Plastic That’s Infinitely Recyclable

S3 E50

Elements

S3 E49

The Race to the Moon’s South Pole Is On, But Who Will Get There First?

S3 E49

Elements

S3 E48

The Newest Form of Water is Hot and Black, Wait What?

S3 E48

Elements

S3 E47

There Are Gravity Pulses Hiding in the Universe’s Most MASSIVE Stars

S3 E47

Elements

S3 E46

The New CRISPR Tool That Could ‘Delete’ Disease From Our DNA

S3 E46

Elements

S3 E45

The Fourth State of Matter Could Scrub Viruses From The Air

S3 E45

Elements

S3 E44

Giant Flow Batteries Could Power Your City In The Future

S3 E44

Elements

S3 E43

Could Zapping Your Brain With Electricity Improve Your Memory?

S3 E43

Elements

S3 E42

How Scientists Found the Universe’s First Type of Molecule

S3 E42

Elements

S3 E41

The Mystifying Structures Hidden Within Earth’s Mantle

S3 E41

Elements

S3 E40

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

S3 E40

Elements

S3 E39

Scientists Grew A Lamb In a Bag... Wait What?

S3 E39

Elements

S3 E38

Why Did We Just Shoot A “Bullet” At An Asteroid?

S3 E38

Elements

S3 E37

New Subatomic Particles Are Shifting the Standard Model of Physics

S3 E37

Elements

S3 E36

Temperatures Could Rise If Earth Lost All Its Clouds, Here’s How

S3 E36

Elements

S3 E35

How Did the T.Rex Evolve to Be the Ultimate Predator?

S3 E35

Elements

S3 E34

Did NASA’s Twin Study Results Just Change Spaceflight Forever?

S3 E34

Elements

S3 E33

No Human Has Ever Left Earth’s Atmosphere... Here's Why

S3 E33

Elements

S3 E32

This Mini Brain Made a Muscle TWITCH, Here’s How

S3 E32

Elements

S3 E31

Is Russia Allowed To Make Their Own Internet? Sort Of

S3 E31

Elements

S3 E30

Why Don’t We Have Functional Biofuel Yet?

S3 E30

Elements

S3 E29

A Dead Satellite Is Unlocking The Secrets Lurking Beneath Antarctica

S3 E29

Elements

S3 E28

Could Black Holes Made Of Light Power Our Spaceships?

S3 E28

Elements

S3 E27

Why We Want A Perpetual Motion Machine, But Still Can’t Get It

S3 E27

Elements

S3 E26

Diamond Nuclear Batteries Are Forever… Sort Of

S3 E26

Elements

S3 E25

A 5G World Is on the Horizon, But How Will It Work?

S3 E25

Elements

S3 E24

A.I. Is Revolutionizing The Way We Build Video Games, Here’s How

S3 E24

Elements

S3 E23

Wireless Electricity Is FINALLY Coming, Here’s Where We’re At

S3 E23

Elements

S3 E22

We’re Going to Detect More Gravitational Waves Than Ever Before, Here’s How

S3 E22

Elements

S3 E21

Why This 3D Light Printer Is A HUGE Game Changer

S3 E21

Elements

S3 E20

Why Scientists Used Graphene Nanoribbons to Engineer Bionic Mushrooms

S3 E20

Elements

S3 E19

Scientists Are Close To Eliminating Pain, Here’s How

S3 E19

Elements

S3 E18

Could These Numbers Unravel New Dimensions in Space?

S3 E18

Elements

S3 E17

Scientists Trapped Electrons In a Quantum Fractal (And It's Wild!)

S3 E17

Elements

S3 E15

Why Twisted Light Holds the Key to Radically Faster Internet

S3 E15

Elements

S3 E14

Will This New Male Birth Control Gel Actually Work?

S3 E14

Elements

S3 E13

This Nuclear Robot Could Tunnel for Alien Life on Europa

S3 E13

Elements

S3 E12

How Did Roboticists Get This Ancient Fossil To Walk?

S3 E12

Elements

S3 E16

We May Have Just Unlocked a Secret to How Life on Earth Began

S3 E16

Elements

S3 E11

Everything It Takes to Engineer the World’s Largest Sea Bridge

S3 E11

Elements

S3 E10

What Really Happens to Your Blood After You Donate?

S3 E10

Elements

S3 E9

There’s a Subterranean Biosphere Hiding in the Earth’s Crust and It’s MASSIVE

S3 E9

Elements

S3 E8

The Crazy Plan to Deliver the First Baby in Space

S3 E8

Elements

S3 E7

These Metamaterials Go Beyond the Properties of Nature

S3 E7

Elements

S3 E6

Can Hawking’s Black Hole Paradox Be Solved With Fuzzballs?

S3 E6

Elements

S3 E5

How Ferroelectricity Could Change the Way We Store Data

S3 E5

Elements

S3 E4

How a Government Shutdown Screws Up Scientific Research

S3 E4

Elements

S3 E3

A New Genetic Alphabet Is Creating Things Nature Has Never Seen

S3 E3

Elements

S3 E2

Can We Power the World With a Single Energy Grid?

S3 E2

Elements

S3 E1

Why Did China Send a Probe to the Far Side of the Moon?

S3 E1