The paleo diet is becoming more popular, but research suggests its claims aren’t all that scientific. Hosted by: Michael Aranda

The most advanced robots in the world might not be exactly what you’re expecting. But they’re shaping humanity’s future. Hosted by: Michael Aranda

Do mosquitoes serve a purpose in the ecosystem? As one of the most hated creatures on the planet, some people have wondered why we don't just kill them ALL? Let's unpack this issue, with SciShow!

In the early days of the space race, agency researchers in Russia and at NASA really weren't sure all what would happen to an astronaut in space. They didn't know if a human mind could handle actually seeing Earth or what would happen to...

Long before there were strip malls, skyscrapers, and combination Pizza Hut/Taco Bells, nature had its own architects: all kinds of creatures create all kinds of structures for living, raising offspring, or maybe just the occasional...

Two new studies challenge what we thought we knew about the first humans in the Americas. Could people have been on these continents 10 to 15 thousand years earlier than archaeologists previously thought? Join Stefan Chin and learn more...

The toughest, most dominant canine gets the resources and respect - or at least that's the idea that caught on culturally. Turns out, that's not necessarily how it works.

Are we really attracted to other people through pheromones? How do they work? Turns out it's much more complicated than you might think. Join Hank Green for a fascinating look into the world of human pheromones in this new episode of...

The human genome is 3.2 billion base pairs long and contains around 20,000 genes, but how much of that is garbage? Hosted by: Hank Green

On the genetic level, we're not all that different from chimps. But those small differences in DNA can have massive effects. Learn what makes us truly different from chimpanzees in this new episode of SciShow!

Toxic waste, by definition, is harmful to living things, but there are actually a bunch of plants, animals, fungi, and microbes that can help us clean it up! Hosted by: Olivia Gordon

When you think "parasite," you might think of leeches or some nasty tape worm, but there are some that can live inside your very own cells.

Usually when you think of evolution or natural selection, you think of survival of the fittest. But sometimes, the resulting traits of evolution aren’t the most efficient solutions to the problems at hand. With the bar set to “good...

From menstrual cycles to rainfall, there are lots of claims about the moon's influence. In today's episode, Hank is here to set the record straight with 8 myths & facts about our moon.

Unless you saw the spider bite you, that swollen, bite-looking lesion on your arm is probably something else, and blaming it on an innocent 8-legged critter might do more harm than good. Hosted by: Stefan Chin

Scientists know that the Y chromosome has been shrinking in size over millions of years, but recent studies suggest that it has more important genes, besides the ones that cause biological maleness. Hosted by: Michael Aranda

Hank discusses the challenges involved in manned space travel to Mars, and sends us a message from his 17-year-old self.

Is there a chance that more species may actually be closer to fish than we originally thought?

You might have a beard, or a mustache, or even a soul patch. What you don't have are whiskers. Hosted by: Hank Green

Unlike lots of other animals, there’s no such thing as the “mating season” for humans, and it might have to do with how we raise our kids.

You'd think that air that was the same temperature as your body would feel neutral, but if you've ever been outside when it's 37 degrees Celsius out... you know that's not the case! Hosted by: Stefan Chin

Humans (and our pets) frequently instinctively stretch as soon as we wake up. But why? What is happening in our bodies when we stretch and yawn to wake ourselves up?

A new strain of bird flu has been detected in North American birds for the first time in seven years. And U.S. President Biden is temporarily lifting the country's summertime ban on E15 gasoline.

Why is it so hard for us to keep the bears out of our trash? Well, it turns out that trash cans are basically like giant food puzzles for the bears, and they are determined to win... But, we can use their wily trash-nabbing instincts...