Plants turn sunlight into food via photosynthesis, which is pretty amazing -- and its evolution is fairly mysterious. Learn how researchers think it happened in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers

In the wake of America's many mass shootings, some states are enacting laws that allow police to confiscate citizens' firearms when a concern about violence is reported. Learn how these red flag laws work in today's episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers

Prostheses for humans are already in use, so why not for other animals? Learn how veterinarians are using 3-D printed limbs, fins, beaks, bones, and shells to help injured animals in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers

Some U.S. cities and states have officially changed Columbus Day to Indigenous Peoples' Day. Learn why -- and why some Americans disagree with the change -- in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers

Astronomers think there's an object in the far reaches of our solar system that's six times as massive as Earth. Learn why some think it's a planet and others propose it's a type of black hole in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers

This dog breed is known for its distinctive wrinkles, and genetic researchers have figured out why those wrinkles occur. Learn about it (plus whether a Shar-Pei might be a good dog for you) in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers

Planting gardens, grasses, or wildflowers on urban roofs can solve a lot of problems, but it can cause a few along the way. Learn more about green roofs in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers

Bobcat populations weren't doing so well a few decades ago, but these resilient wild cats are on the rebound. Learn about bobcats in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers

There are a couple mathematically tested strategies for finding a parking spot that costs you the least time in terms of searching and walking to your destination. Learn what science has to say about parking in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers

Although shoes with high heels are often coded feminine in modern culture, men wore them first -- military men, specifically. Learn the history of high heels in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers

A few types of chickens are so pigmented that not just their feathers but their very flesh is a deep blue-black color. Learn how researchers think this came about in today's episode of BrainStuff.  Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers

In the United States, many states don't put a lower age limit on arrests, and children as young as six years of age have been arrested by police. Learn why, and how some lawyers and lawmakers are trying to change that, in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers

Being trapped in a car is a scary thought, but safety experts say that being prepared for emergencies saves lives. Learn what devices can help and how to use them in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers

Not every bacterium is an enemy, but illness-causing germs are out there -- and some love your coffee cup. Learn how often research indicates you should wash that reusable cup in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers

The Maine Coon breed of cats has a reputation for being more doglike than catlike. Learn about how they stand out in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers

These over-the-counter medications all do fairly similar jobs of relieving aches and pains, but there's a best (and a worst) way to use each type. Learn the differences between pain relievers in this episode of BrainStuff.  Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers

The traditional color of blueprints wasn't chosen because it's pretty -- it's a result of a chemical copying process. Learn the history of blueprints in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers

With the help of specially made fins (and some swim lessons), anyone can become a mermaid or merman — there are even mer-professionals. Learn how mermaiding works in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers

There’s been a call for investigation into the history of Lyme disease, and whether it might’ve been an accidentally released bioweapon. Learn both sides of the debate in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers