BrainStuff

Infant formula mimicking breastmilk was only invented in the past 150 years, but babies have been hungry forever. Learn what caregivers used to do when breastmilk was unavailable in this episode of BrainStuff: https://health.howstuffworks.com/pregnancy-and-parenting/baby-health/infant-health/infant-formula-history.htmSee omnystudio.com/listener for privacy information.

Leonardo da Vinci's Mona Lisa is a technical masterpiece, but the portrait wasn't famous until centuries after its creation. Learn more in this episode of BrainStuff, based on this article: https://entertainment.howstuffworks.com/arts/artwork/mona-lisa.htmSee omnystudio.com/listener for privacy information.

Magpies, though sometimes maligned, are fascinating birds that can recognize themselves in mirrors and have funerary practices. Learn more in this episode of BrainStuff, based on this article: https://animals.howstuffworks.com/birds/magpie.htmSee omnystudio.com/listener for privacy information.

People are drinking more wine than they used to. Could the ever-increasing size of wine glasses be behind this trend? Learn how today's average serving stacks up against history's in this classic episode of BrainStuff, based on this article: https://recipes.howstuffworks.com/food-facts/much-does-favorite-wine-glass-hold.htmSee omnystudio.com/listener for privacy information.

If your cat licks you, you may have wondered: Are they trying to groom you? Are they being affectionate? Do you has a flavor?? Learn about cats' licking behavior in this episode of BrainStuff, based on this article: https://animals.howstuffworks.com/pets/why-does-cat-lick-me.htmSee omnystudio.com/listener for privacy information.

Cities around the world are appointing Heat Officers to identify dangers and help protect citizens from rising temperatures. Learn how these officials work in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/nature/climate-weather/atmospheric/chief-heat-officers-news.htmSee omnystudio.com/listener for privacy information.

The symbols for the dollar ($), euro (€), rupee (₹), and pound (£) are everywhere, but how did they come to be? Learn the history behind these symbols in this episode of BrainStuff, based on this article: https://money.howstuffworks.com/currency-symbols.htmSee omnystudio.com/listener for privacy information.

If rehab helps patients recover after a surgery, prehab helps patients get ready for that recovery beforehand. Learn how prehabilitation works in this episode of BrainStuff, based on this article: https://health.howstuffworks.com/medicine/surgeries-procedures/prehab-before-surgery.htmSee omnystudio.com/listener for privacy information.

The U.S. House has passed legislation that would mandate more background checks during gun sales, but these bills (H.R. 8, H.R. 1446, and the Protecting Our Kids Act) are stuck in the Senate. Learn more about how they would change the law in this episode of BrainStuff, based on this article: https://people.howstuffworks.com/hr8-gun-background-checks-news.htmSee omnystudio.com/listener for privacy information.

Dogs are pretty much guaranteed to find the smelliest stuff to roll in -- but why? Learn what may be behind this gross instinct in today's episode of BrainStuff, based on this article: https://animals.howstuffworks.com/pets/dogs-love-rolling-in-stinky-stuff.htmSee omnystudio.com/listener for privacy information.