Bozeman Science
The Hierarchy of Life
Paul Andersen explains how biology is ordered in the hierarchy of life. He first of all describes how emergent properties appear as you move to more inclusive systems. The then describes life at the following levels; atom, molecule,...
SciShow
Attempting De-Extinction
There's a group trying to save the functionally extinct northern white rhino using in vitro fertilization. But the ethics around using assisted reproductive technologies to save endangered animals are far from simple.
SciShow
Does COVID Cause Cancer?
There's a troubling link between COVID and certain cancers, but as always, it's complicated.
SciShow
This Animal Lays Eggs AND Has Live Young
You might think that an animal either lays eggs or has live young. But these species prove it's a lot more complicated than that.
SciShow
Wolves Have Taken Over a Marine Ecosystem
Wolves are amazing hunters, so they tend to be apex predators wherever you find them...including one region in Alaska where these land-based predators sit atop a marine food web.
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.
TED Talks
TED: The truth about human population decline | Jennifer D. Sciubba
With birth rates falling, the worldwide human population is getting older and smaller. According to traditional thinking, this spells a future of labor shortages, bankrupt social security systems and overall economic collapse. Before you...
TED Talks
TED: Lessons from my father, Alexey Navalny | Dasha Navalnaya
Dasha Navalnaya is the daughter of Alexey Navalny, the politician and leader of the Russian opposition to Vladimir Putin. Sharing the story of her father's poisoning, persecution and current imprisonment, she details what it was like...
TED Talks
TED: The Israel-Hamas war — and what it means for the world | Ian Bremmer
The Hamas attacks on Israel in October 2023 stunned the world. In this timely conversation, political scientist Ian Bremmer explains the historical context of the conflict, how Israel might respond and what it means for Jews,...
TED Talks
TED: The case for a new Great Migration in the US | Charles M. Blow
Social progress in the United States often seems to take two steps forward and one step back, with hard-fought civil rights wins countered by a seemingly inevitable backlash. In this spirited talk, writer Charles M. Blow makes the case...
SciShow
The Biggest Star In The Universe Is Too Small
R136a1 is the most massive star that astronomers have ever discovered. It's so massive you might think the laws of physics wouldn't allow it. But it turns out that its current mass estimate is actually so low that it threatens our...
PBS
Can Viruses Travel Between Planets?
With the global pandemic of Covid 19 still encompassing the world, we are generally not big fans of viruses right now. But we sure are thinking about them a lot. That’s right, even astrophysicists are pondering these bizarre little...
PBS
When Ancient People Changed Their Own DNA
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PBS
How Evolution Works (And How We Figured It Out)
As a scientific concept, evolution was revolutionary when it was first introduced. With the help of all three of our hosts and the Smithsonian National Museum of Natural History’s new Deep Time Hall, we’ll try to explain how evolution...
PBS
Why The Paleo Diet Couldn't Save The Neanderthals
These relatives of ours lived in Eurasia for more than 300,000 years. They were expert toolmakers, using materials like stone, wood, and animal bone. They were also skilled hunters and foragers, and may even have created cave art. So...
PBS
How a Supervolcano Ignited an Evolutionary Debate
The Toba supervolcano was the biggest explosive eruption of the last 2.5 million years. And humans were around to see it, or at least feel its effects! But what were those effects?
PBS
The Island of the Last Surviving Mammoths
The Wrangel Island mammoths would end up being the final survivors of a once-widespread genus. In their final years, after having thrived in many parts of the world for millions of years, the very last mammoths that ever lived...
PBS
How We Domesticated Cats (Twice)
A 9,500-year-old burial in Cyprus represents some of the oldest known evidence of human/cat companionships anywhere in the world. But when did this close relationship between humans and cats start? And how did humans help cats take over...
SciShow
How Can Microbes Protect Crops From Drought?
Solving food shortages caused by droughts is a big challenge that may benefit from a tiny ally. Turns out that the microbes living in the soil around plants can give them a boost when water's scarce, which means more food for us, which...
MinuteEarth
Which Is Worse: Underpopulation Or Overpopulation?
The human population of the world will soon peak – and then decrease – thanks to a combination of two quickly changing economic and educational trends.
SciShow
The Truth About Gingers
There are many names for them, but here at SciShow we lovingly refer to them as 'Gingers'. In this episode, Hank explains what gene is responsible for the creation of redheads.
SciShow
Cougar Stress: SciShow Talk Show
Lara Brenner talks about her research on how stressed cougars are and how the public views them. Then Jessi from Animal Wonders joins the show with Seraphina the red fox!
SciShow
Could We Breed Giant Spiders?
If, for some wild reason, we decided that breeding humongous spiders was a good idea, could we actually pull it off?