In a genetic condition called chimerism, DNA from someone else (an unborn twin, an organ donor, or even your own baby) is at work in your body. Learn how it works in this classic episode of BrainStuff, based on this article: https://science.howstuffworks.com/life/genetic/chimerism-be-own-twin.htm

Preservation techniques like curing and smoking create tasty, longer-lasting dishes like lox, gravlax, and nova. Learn the difference between these salmon preparations in today's episode of BrainStuff, based on this article: https://recipes.howstuffworks.com/tools-and-techniques/lox-gravlax-nova-whats-difference.htm

Businesses say noncompete agreements protect their interests -- but when they apply to everyone from VPs to janitors, are they overkill? Learn how noncompetes work in this episode of BrainStuff: https://money.howstuffworks.com/noncompete-agreements-news.htm

We're all too familiar with hurricanes here on Earth, but scientists have discovered storms with similar patterns right near the edge of space. Learn about space hurricanes in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/nature/climate-weather/atmospheric/space-hurricane.htm

Originally, the only Americans granted the right to vote were white male landowners. Learn how white women gained suffrage in this episode of BrainStuff, based on this article: https://history.howstuffworks.com/american-history/19th-amendment.htm

Will coffee really stunt your growth? Or give you heart problems? What about your teeth? Learn the truth behind common myths about that cuppa joe in this classic episode of BrainStuff, based on this article: https://science.howstuffworks.com/innovation/edible-innovations/coffee-stunt-growth.htm

A snail's shell is its permanent home -- but how do these wee, soft, slimy creatures grow hard, beautiful shells? Learn how it works in this classic episode of BrainStuff, based on this article: https://animals.howstuffworks.com/marine-life/do-snails-get-shells.htm

Whole swaths of the world's population use chopsticks for their daily meals. Learn where they originated and how they evolved in this episode of BrainStuff: https://recipes.howstuffworks.com/chopsticks.htm

Breakthrough infections happen when, like with the flu or COVID-19, a vaccinated person still gets infected. Learn why this is normal -- and why breakthrough infections are much less deadly -- in this episode of BrainStuff, based on this article: https://health.howstuffworks.com/diseases-conditions/infectious/breakthrough-infections-COVID-19-news.htm

There are trees all over the U.S. (and the world) grown from seeds that orbited the Moon. Learn about NASA's moon trees in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/nasa-moon-trees.htm

Bonnie and Clyde, the infamous power couple of Depression-era crime, had their luck run out eventually. Learn how it happened in this episode of BrainStuff, based on this article: https://history.howstuffworks.com/historical-figures/bonnie-and-clyde.htm

Green iguanas can really thrive in ecosystems where they don't belong -- and that can be a real problem. Learn more about these large reptiles in today's episode of BrainStuff, based on this article: https://animals.howstuffworks.com/animal-facts/iguana.htm

It's not a joke: Scientists have confirmed that Uranus stinks. Learn how they found out -- and why it's actually really cool -- in this classic episode of BrainStuff, based on this article: https://science.howstuffworks.com/scientists-confirm-uranus-stinks.htm

Humans love popping zits so much precisely because it's gross. Learn about all the reasons why we find pimples so fascinating in this classic episode of BrainStuff, based on this article: https://health.howstuffworks.com/skin-care/problems/treating/why-do-love-to-pop-zits.htm

Some startling fossils are being found in the world's rivers, but it takes dangerous diving teams to extract them. Learn more in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/environmental/earth/geology/underwater-fossil-hunting.htm?utm_source=taboola&utm_medium=feed

The term 'blue moon' was figurative a long time before astronomers assigned various definitions. Learn why blue moons aren't blue and what they can mean in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/is-blue-moon-really-blue.htm

When you break a bone, it's best to go to a doctor -- though your body begins the healing process before you even get there. Learn how broken bones heal (with medical help) in this episode of BrainStuff, based on this article: https://health.howstuffworks.com/human-body/systems/musculoskeletal/heal-broken-bones.htm

The Atlantic Ocean's 2021 hurricane season started strong and is expected to end the same way. Learn how the predictions are made and what they're saying in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/nature/climate-weather/storms/2021-atlantic-hurricane-season-news.htm

The Apollo space mission brought the first humans to the Moon -- but two tortoises from Russia were the first vertebrates to orbit Earth's satellite. Learn more in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/space-tortoises.htm