PBS
When India Was An Island
New ReviewWe need to talk about the biggest break-up of all-time: the break-up of the supercontinent Pangea, and how, ultimately, when India smashed back into Asia, it traded one form of evolutionary isolation for another.
SciShow
Why Can’t We Have Unicorns?
Unicorns may be mythical creatures, but they're very plausible-seeming ones. So why hasn't evolution gifted us with magical horses with horns? Let's take a look at the genetics and developmental biology of headgear in ruminants and other...
PBS
The Sudden Rise of the First Colossal Animal
A truly enormous ichthyosaur around the size of a modern sperm whale, reached its size within just a few million years of taking to the water - a blink of an eye in evolutionary time.
PBS
How Ancient Whales May Have Changed the Deep Ocean
It looks like the evolution of ocean-going whales like Borealodon may have affected communities found in the deep ocean, like the ones found around geothermal vents. And it turns out that when a whale dies, that’s just the beginning of...
SciShow
Where Are A Whale's Nipples?
Like dolphins, manatees, and other marine mammals, whales have nipples hidden in surprising places.
SciShow
Bones Began as Mineral Batteries
Today, bones hold us up. But for ancient jawless fishes, bones may have been a way to store energy for long journeys. Plus, new research indicated that hippos and cetaceans may have evolved their aquatic traits separately.
SciShow
Weird Things Whales Lost on Their Journey to the Sea
When the ancestor of cetaceans went back into the water some 50 million years ago, it left a few things behind—including the functioning of certain genes that seem like they’d be hard to live without.
SciShow
4 Science Superlatives of 2014
SciShow News looks at some of the firsts, highests, and lowests of the year in science.
TED-Ed
TED-Ed: How smart are dolphins? - Lori Marino
Dolphins are one of the smartest animal species on Earth. In fact, their encephalization quotient (their brain size compared to the average for their body size) is second only to humans. But exactly how smart are they? Lori Marino...
SciShow
Blue Whales and The Smartphone Morality Experiment
Hank shares news about the biggest animal in the history of ever -- blue whales -- and explains the lessons learned in a new study of human morality, using smartphones.
Bizarre Beasts
Why Do River Dolphins Look… Like That?
New ReviewWhy are there dolphins in rivers, and why do they look... like that? There are a handful of very similar-looking, but somehow unrelated river dolphins around the world. Where did they all come from, and what is it about living in rivers...
Science ABC
Can We 'Communicate' With Dolphins?
One of the first recorded attempts by a human to establish communication with dolphins was in the 1960s. The US Navy, along with researchers in Hawaii, devised an acoustic communication interface for that exact purpose. The system they...
Curated Video
Vancouver Aquarium closes doors to cetaceans
While animal rights activists call it a major victory, scientists consider the decision to ban the holding of whales, porpoises and dolphins a mistake.