Our Brains Got Bigger. Now They’re Shrinking? // TRAIN BRAIN

Our Brains Got Bigger. Now They’re Shrinking?

This chart shows human brains size over time. They got way bigger, fast. But now they’re shrinking? (No, it’s not the phones!)
About 2 million years ago something changed and it altered the course of human evolution. Our brains just started RAPIDLY growing, the organ nearly doubled in size in just a few hundred thousand years. This turning point is what allowed us to evolve into the intelligent species we are today.
But now…
To learn more, subscribe!
#evolution #human origins #science

Cleo Abram

Video journalist making optimistic tech explainers. Huge If True. Instagram: https://www.instagram.com/cleoabram TikTok: https://www.tiktok.com/@cleoabram Twitter: https://twitter.com/cleoabram If you'd like to sponsor a Huge If True episode, reach out...

They Found the Colossal Squid by Accident

Dark Energy Is Getting Weaker?

This Machine Grows Diamonds

Why Antarctica Has SO MANY Meteorites

Our Brains Got Bigger. Now They’re Shrinking?

How They Build Underwater Tunnels

There's a Telescope at the Bottom of the Ocean

There’s Antimatter In This Truck

There's a Secret Network Under Your Feet

What Actually Is A Dyson Sphere?

What If Earth Was Hollow?

This Glacier Is Bleeding?

What's Inside This Tiny Laundry Tile?

The Ocean Is WAY Deeper Than You Think

I Wrote a NEW Story with Project Hail Mary Author

Why Do Antarctic Ocean Animals Become GIANTS?

Are These Brain Cells Really Playing DOOM?

Artemis II Is HOME! Here’s What They Did.

What Time Is It In Antarctica?

The Scariest Part of Artemis II Hasn’t Happened Yet

The Man Behind The Most Useful Thing AI Has Ever Done

Why Are These Mysterious Tubes on Mars?

They're Doing Brain Surgery on Monarch Butterflies

The $1.5B Experiment In These Huge Concrete Tubes

The Craziest Experiment Humans Have Ever Built

The Deadliest Ocean Crossing Actually Protects You

This Is The Largest Chunk Of Mars On Earth

No One Knows Why Ice Is Slippery

Do Aliens Know We’re Here?

We Discovered A New Fire Creature

This New Device Uses a QUANTUM GPS

These Shoes Aim To Alter Your Brain

What Is 3I/ATLAS Actually Made Of?

New Medical Treatment Saved This Little Boy’s Life

Why White LEDs Almost Didn't Exist

The Massive Machine Hidden Under Antarctica

What's the SMALLEST Black Hole?

The Sahara Desert Fertilizes the Amazon Rainforest

Why Do All Snowflakes Have 6 Sides?

Guess Which Animal Survives

Why This Plane Needs 3 Pilots

Why Scientists Bullied This Octopus

What’s the BIGGEST Planet Ever Found?

Deep Sea Creature Seen For First Time

This Airplane Fuel Is Floating. Uh Oh.

Could You Fly Through the Asteroid Belt?

Dinosaur Mummies Are Real

How Many Humans Have Ever Lived?

This Plane Cured My Fear of Flying

How to Stop This Dangerous Asteroid

This Microrobot Could Save Your Life

How Deep Does Life Exist?

What’s Up With 3I/Atlas’s Tail?

This Experiment Saved Kids’ Lives

How to Fake the Stolen Louvre Jewels

How Many Bananas Would Make You Radioactive?

We Should Get Ready for A Big Solar Storm

This Asteroid Might Hit The Moon (really)

I Need 1 More Subscriber!

New Eye Implant Might Save Your Eyesight

What REALLY Happens If This Asteroid Hits Earth

Humanity’s Real Plan to Stop This Asteroid (Feat. Mark Rober)

How This Crazy Bat Hunts A Bird

Japan’s Insane Earthquake Detection System

Hardest Part of a Rocket Launch

This Bug’s Wings Are Secretly Huge

First 3D Human Embryo Images

What If You Just Keep Shrinking?

Sharks Have A Sixth Sense

A Supermoon Is Coming!

This Comet Smashed Into Jupiter

What Animal Has The Fastest Punch?

How Do Babies Get Glasses?

This Adorable Animal Needs “Genetic Rescue”

This Animal Can Live Forever

The Biggest Asteroid That Ever Hit Earth

What’s Hidden Under Antarctica?

This Tiny Galaxy Is Orbiting Us

This Apex Predator Went Extinct. They're Bringing It Back.

This Discovery Just Won the Nobel Prize in Medicine