Be Smart
Can a Billion Oysters Save New York City?
New ReviewWhen people picture New York City they see skyscrapers, subways, and a concrete jungle. But the Big Apple is really a seaside city built on an archipelago. In the wake of a century of industrial pollution and climate change-fueled...
SciShow
The 7 Weirdest Jaws in the Water
Great white sharks have nothing on these terrifying jaws. Some marine animals have adaptations that turn their jaws into harpoons, fishing nets, claw machines, and more. Hosted by: Savannah Geary (they/them)
SciShow
Here’s the Reason Why Megalodon Got Mega
We've learned a lot about Megalodon by studying its terrifying teeth. But we're just beginning to understand what made this ancient shark so huge. Hosted by: Jaida Elcock (she/her)
SciShow
We Can't Find the Most Important Fossils Ever
About 360-ish million years ago, some tetrapods moved onto land and changed the course of history. So we'd love to know more about these guys, and what it took to get there. But the thing is, the fossils we need to understand this...
SciShow
6 Futuristic Fishing Nets
When fishermen cast their nets, they often catch a lot more than the species they're after. Those unlucky creatures are called bycatch, and it's a huge problem in the industry. Fortunately, scientists have been working hard to solve it...
SciShow
How Science Fights Fake Food Scams
In 2023, Italian and Spanish authorities busted a major counterfeiting ring. Their product? Olive oil. From fake caviar and scallops to imitation maple syrup, there are a lot of pricey foods that fraudsters love to fake. Here's how...
SciShow
Dams Are Great. They Need To Go
Dams are great for humans, providing hydroelectricity and flood control. They're also horrible for the rivers they block. Here are three success stories of ecosystems that bounced back after a dam was removed. Hosted by: Savannah Geary...
SciShow
The Octopuses Are Making Fish Armies
Octopuses are smart. Like, gather a posse of fish to do their hunting for them smart. And when the fish step out of line, the day octopus punches them. Really. Hosted by: Hank Green (he/him)
SciShow
The Wildest Ways We Remove Lice from Salmon
If you've ever had lice, you probably think of them as a temporary annoyance. But for the salmon industry, these pesky invertebrates cause real damage. So here are some of the wildest ways that science helps us fight these infestations,...
SciShow
A Fish In This Lake Evolved Into 850 Different Species
When conditions are just right, one species can turn into hundreds in a short period of time. Welcome to the weird world of adaptive radiation. Hosted by: Jaida Elcock
SciShow
Fish Need a Better Weather Forecast
Climate disruption threatens food security around the world, but it's especially dangerous for fish farmers. Here's how high-tech climate information services can help then adapt. Hosted by: Hank Green (he/him)
TED Talks
A new lifeline for the world's coral reefs | Theresa Fyffe
Coral reefs are the most biodiverse ecosystem on the planet and the lifeblood of a thriving ocean. Yet without action, 90 percent of coral reefs could die by 2050. Fortunately, reef guardian Theresa Fyffe has a plan. Learn how her team...
TED Talks
How industrial fishing sinks communities | Lamin Jassey
What happens when the fish that sustain a community start disappearing? Environmental activist Lamin Jassey shares how industrial fish meal factories are devastating local waters, livelihoods and health in The Gambia — and how...
MinuteEarth
The Antarctic Ocean is Weird
Life in Antarctica's ocean has followed a completely different evolutionary path from other ocean life because of how cold and isolated the ocean is.
MinuteEarth
Why does the north get more total eclipses?
Solar eclipses can happen anywhere on earth, but if you want to see a total eclipse, you need to go to the far north, because the Earth’s shape and orbit determine the high latitudes and eclipse hotspot.
TED-Ed
TED-Ed: Why animals help each other | Ashley Ward
Charles Darwin introduced the notion of “survival of the fittest,” where the fittest animals are those who can survive long enough to produce healthy offspring. The fittest animal can also be the most stealthy, resourceful, or even the...
MinuteEarth
Which Fish Did We Evolve From?
Today's oceans are full of fish with fins that couldn't evolve into limbs like ours. So, who are our ancestors and where did they go?
SciShow Kids
Penguins, Birds That Fly in Water! | SciShow Kids
Squeaks and Jessi are learning all about the animals that live at the bottom of the world, including penguins - emperor penguins, macaroni penguins, and more! We learn why penguins look like they're all dressed up, and what kind of food...
SciShow Kids
The Coldest Seas on Earth! | SciShow Kids
The oceans around Antarctica are cold, but full of life. Join Jessi and Squeaks to learn about the blubber of seals, the amazing antifreeze blood of fish, and the shrinking skills of krill.
TED-Ed
TED-Ed: Scientists are obsessed with this lake | Nicola Storelli and Daniele Zanzi
In the millions of years since oxygen began saturating Earth’s oceans and atmosphere, most organisms have evolved to rely on this gas. However, there are some places where oxygen-averse microorganisms like those from Earth’s earliest...
TED-Ed
TED-Ed: If you're an adult mayfly you'll probably die before the end of this video | Luke M. Jacobus
For most of the world’s 4,000 mayfly species, adulthood lasts roughly one day. And for some species, it’s only a matter of minutes. This isn’t because they’re all eaten up by predators. Rather, this abridged adulthood is a natural part...
SciShow
I’m A Genetic Engineer. I’m Also a Fish.
Horizontal gene transfer might not be the flashiest of names, but animals are using it to create genetic hybrids without a human in sight. Like frogs rocking the DNA snippets of snakes, and fish sharing antifreeze superpowers.
SciShow
These Animals Actually LIKE Getting Caught
Even when animal traps are humane, it seems pretty obvious that animals wouldn't want to get caught. But sometimes, there are oddballs that love getting trapped. Here's what we know about what can make some animals so darn trap happy.