Primordial black holes may be lurking throughout our universe. How large are they, how many are out there and what would happen if they moved through our solar system?

When you cut into a nice, juicy steak what's all that liquid that pours out? Is it blood? It looks like blood. ...it's not blood.

23 Reasons Science Gave Us to be Cheerful

Megan Toenyes, a former SciShow videomaker returns for a showdown with her former employer!

Today's extraordinarily depressing dose comes to you in honor of Lonesome George, the world's last Pinta Island tortoise, who passed away earlier this summer - Hank brings us the stories of five more extremely rare animals who may be...

It doesn't seem possible, but animal rain is definitely real, and there is an actual scientific explanation for it... probably.

Paula Scher looks back at a life in design (she's done album covers, books, the Citibank logo ...) and pinpoints the moment when she started really having fun. Look for gorgeous designs and images from her legendary career.

Meet one of the newest celestial bodies to be discovered: rogue planets, worlds that hurtle around the galaxy without any parent star. Caitlin Hofmeister explains how we found them, and where we think they might have come from.

Stockholm Syndrome has become a pop culture clich_, but the truth behind it is a little more complicated than TV might have you believe.

Jumping into a refreshingly cold body of water on a hot summer day can feel wonderful, except for your nose. Why does it hurt so much when you get water up your nose?

Hank talks about the search for pieces of a special meteoroid that exploded over California & Nevada last month.

Hank talks about a shiny element that has fascinated humans for millenia.

You don't need to plan an exotic trip to find creative inspiration. Just look up, says Gavin Pretor-Pinney, founder of the Cloud Appreciation Society. As he shares charming photos of nature's finest aerial architecture, Pretor-Pinney...

Hank gets straight to the facts in the unfortunate case of Aimee Copeland, who was injured during a zip-lining accident and subsequently contracted a rare disease.

Some aquarium hobbyists will pay $10,000 or more for a single shrimp because of the rarity of their colors or patterns.

What would happen if you realized that you've died, but your friends and family don't seem to notice? Well, they might point out that no, you're not dead,you just might have Cotard's Syndrome.

Maybe you have a dog or cat who greets you with a sneezing fit once you walk in the door from work. Is it possible you're the problem?

Hank explains how quasars and blazars are both the same thing - just oriented differently in respect to us - and how that impacts the way we perceive them and how it also effects the ways we can study them.

The medical industry has developed countless methods and tools for diagnosing the myriad of illnesses that can befall us. This, as you might guess, includes cancer. But it took a research team five months to diagnose this specific cancer...

The ocean has degraded within our lifetimes, as shown in the decreasing average size of fish. And yet, as Daniel Pauly shows us onstage at Mission Blue, each time the baseline drops, we call it the new "normal." At what point do we stop...

Hank describes to us some news stories that illustrate how science is continually changing the things we think we "know" - from the status of various animals species, to the way our senses work and even where the Moon came from -...

What could be cooler than a permanent lava lake surrounded by snow!?

Sometimes, studying uncommon maladies can reveal larger insights into how our bodies work!<br/>
<br/> C<br/>ha<br/><br/><br/><br/><br/>pters
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We might order fish raw, but why don't we ever order chicken that way?