Be Smart
How Was the Grand Canyon Formed?
I was in Arizona recently for Phoenix Comic-Con, and had the amazing pleasure of seeing one of Earth's greatest natural wonders… the Grand Canyon. More than a mile deep, and several miles across, it just defies belief. But I couldn't...
MinuteEarth
You Can’t Actually Die Of Old Age
Despite centuries of death records to the contrary, “dying of old age” is not medically possible; instead, it’s just a convenient catch-all.
MinuteEarth
Why We Haven’t Learned More In 101 Years Of Trying
Almost everything we know about the reproductive practices of European eels comes from a genius study conducted more than 100 years ago.
MinuteEarth
Why These Bears “Waste” Food
Optimal foraging theory means that turning down food is sometimes more efficient than eating it - but even then, what’s “wasted” doesn’t necessarily go to waste.
MinuteEarth
Why The Ocean Needs Salt
Our oceans don’t technically contain salt, but the ions salt is made of play a critical role in planet-wide processes that make the Earth habitable.
MinuteEarth
Why Do Weeping Willows Weep?
Most trees reach for the sun – but not the weeping willow. Why?
MinuteEarth
Why Do People Hate Koalas?
On the Internet, koalas get an unnecessary amount of hate, so let's debunk some of the most pervasive koala myths!
MinuteEarth
The WEIRD Way Monkeys Got to America
Many of the greatest biological dispersal events in history likely happened because animals inadvertently traveled across the oceans on floating debris.
MinuteEarth
MinuteEarth Explains: Animal Winners and Losers
In this collection of classic MinuteEarth videos, we keep score on the winners and losers of the animal kingdom. 0:00 - Intro 0:10 - Why Only Some Monkeys Have Awesome Tails • Why Only Some Monkeys Have Awesome Tails 1:57 - Rise Of The...
MinuteEarth
Is Bigger Better?
Elephants might be strong, but they are weak compared to ants because ants have certain advantages that allow them to outlift their larger competitors.
MinuteEarth
In The Future, Death Will Be Different
In the future, humans will likely die of a very different suite of causes than we do now, thanks to advances in healthcare, an aging population, and changes in the environment.
MinuteEarth
How To Survive Poison
It’s not just how much you take in; it’s how fast your body can purge it.
MinuteEarth
Apparently tree FINGERPRINTS are a thing
Every species on Earth has a fingerprint - whether or not they have fingers at all.
MinuteEarth
How A Whale And A Bear Beat The System
While the rest of the world’s megafauna are still foundering in the anthropocene era, these two big animals have used little animal strategies to bounce back. Way back.
MinuteEarth
Eclipses Used To Be Terrifying
Because eclipses are powerful and frightening events, ancient cultures went to great lengths to understand eclipses, leading to remarkably accurate predictions and helping invent the science of astronomy.
MinuteEarth
Ancient Humans Made Millions Of These - We Don’t Know Why
The Acheulean handaxe was the most common tool of early humans, but we still don’t know what the heck they used it for.
MinuteEarth
Which Will Kill You First?
The body can get a whole lot colder - but not a whole lot hotter - before we die. Why is that?
MinuteEarth
Why Is There So Much Land In The North?
Most of Earth’s land is currently in the northern hemisphere because we happen to exist in a time where uneven heating in the mantle has pushed many continental plates northward.
Be Smart
Sand Dunes Shouldn’t Exist (Here’s Why They Do)
How can sand, blown by the wind, form such intricate and beautiful patterns as ripples and dunes? The answer is a surprising secret of self-organization. In this video, we travel to Great Sand Dunes National Park in Colorado to climb the...
Be Smart
Why No One Can Agree What’s REALLY the Tallest Mountain
What's the tallest mountain on Earth? It might seem like an easy question to answer, but in reality it's one that brings up more NEW questions than answers. It turns out that the way we measure mountains rests on a lot of approximations,...
Be Smart
These Death-Eating Scavengers Are Real Life-Savers | IN OUR NATURE
Seemingly distant ecosystems, even half a world apart, are connected in surprising ways. In this special limited series, Emily Graslie and Trace Dominguez join me as we explore the universal rules of life that tie together Earth’s living...
MinuteEarth
The Plant You Don’t Have To Water
Some plants can drink water from the air - and that has some weird effects on the forests where they live.
MinuteEarth
There’s No Such Thing As “Warm-” Or “Cold-” Blooded
The concept of warm-blooded and cold-blooded animals is outdated because there are actually tons of different animal thermoregulation strategies.