BrainStuff

NASA recently announced that they're sending a rotorcraft to explore Saturn's giant moon Titan from the land and air. Learn how the Dragonfly mission will be different than other otherworldly explorations in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

According to the guy who popularized a famous meditation technique for getting to sleep fast, the results are excellent. Learn its history and how it works in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Food forests are free, edible community gardens that make the most of the land by following nature's lead on design. Learn how they work and how they may help end food deserts in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Birds are the only creature in the world that have the specially evolved organ called the syrinx, and it's what lets them sing. Learn how it works in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Tidal bores are huge, fast waves that travel the wrong way up rivers, and they only form during very specific circumstances. Learn how they work in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

There's a new global arms race: to build missiles that could travel at hypersonic speeds. Learn where the technology stands and what it might be capable of in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Adding turmeric to recipes and taking supplements with it (or its active ingredient, curcumin) has become a global trend. Learn what science has to say about turmeric's medicinal properties in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Although researchers think we've found most large asteroids whose orbits bring them near Earth, some are still surprising us. Learn why -- and how we find them -- in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

The amygdala is a part of the brain that handles fear -- so would having one that doesn't fully function be a good thing or a bad thing? Learn about how fear hurts and helps us in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

American soldiers have stood guard over the Tomb of the Unknown Soldier every minute of every day since July 2, 1937. Learn what this monument means and who's interred there in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

In the early 1800s, a woman known as Mrs. Cheng or Ching Shih commanded the world's largest-ever pirate crew -- and she managed to retire and live a long, peaceful life. Learn about Mrs. Cheng's pirate empire in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Proponents of raw milk (that is, milk that isn't pasteurized or homogenized) say it's healthier and tastes better, but the U.S. government still classifies raw milk as potentially hazardous. Learn both sides of the issue in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Something about the bright dot of a laser pointer is irresistible to many cats -- but why? And does this kind of play provide good entertainment for cats? Learn about lasers and the benefits of play for cats in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

There are as many ways to attempt to predict a storm's behavior, and none are perfect. Spaghetti plots help researchers visualize the probabilities of different predictions. Learn how they work in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Alan Turing was the brilliant mathematician who designed a legendary test of artificial intelligence before computers as we know them even existed. Learn about his life and legacy in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Canning foods preserves them, but the texture and nutritive value can suffer -- and what about the potential dangers of BPA and botulism? Learn what's true and what's myth when it comes to canned food in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

U.S. presidents are voted into office by the electoral college, made up of representatives from each state. Learn how changing the way electors choose a candidate – from the state’s popular vote winner to the national popular vote winner – could change elections in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Chameleons don't change color to blend it -- they change to stand out. Learn how they create those colorful patterns in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Short answer: Yes. Ectopic lactation can occur when mammary tissue grows in different areas of your body. Learn how it works in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Alcohol contains calories and ingredients like any other beverage, but only rarely does its packaging list those ingredients and nutrition facts. Learn why in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Alchemists may have never turned lead into gold, but they did create the field of chemistry. Learn how the study of alchemy worked in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

The Korean War began 70 years ago today, and remains unresolved. Learn how this war shaped the future of the powers involved in today's episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

The line between appreciating and appropriating someone else's cultural products can be a blurry one. Learn how respect and research can go a long way in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

The American president's motorcade includes multiple armored vehicles driving in a virtual ballet to ensure its passengers' safety. Learn what goes into creating the presidential motorcade in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Isotopes are variations on the same chemical element that have different numbers of neutrons. Learn how these variants can behave differently -- and why chemists, physicists, and paleontologists are all interested in them -- in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Professional wrestler and actor André the Giant had a reputation for kindness that outgrew his impressive stature. Learn about André Roussimoff's life and legacy in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Camel spiders have a fearsome reputation, but despite being large and fast, they're not a threat to humans. (Or camels. They're also technically not spiders.) Learn more about these fascinating creatures in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Subpoenas are orders that help courts and Congress obtain information necessary to cases and investigations -- and they're legally binding. So can you really ignore one? Learn what could happen if you do in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Remote islands are excellent laboratories for observing evolution at work -- and in the case of a flightless bird called the Aldabra rail, we can observe how its evolution happened twice. Learn about iterative evolution in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

We humans tend to accumulate a lot of stuff -- to the point that it's a burden on our mental health. Learn about a method for lightening your life (and removing a future burden on your loved ones) in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

An oligarchy is a society ruled by a few wealthy, powerful people – the media has applied the term to countries from Saudi Arabia to Brazil to the United States. Learn about oligarchies and whether the U.S. has become one in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

The honey badger is internet famous, but it’s actually a fairly mysterious creature. Learn what we know (and don’t know) about honey badgers in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

To launch a spacecraft successfully, the stars (and moon, and planets) must literally align. Learn about all the factors that are taken into account to schedule a space launch in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Of all the accessories you might think of bringing to a music festival, ear plugs might not be high on your list. Learn why they should be -- and how else you can prevent hearing damage -- in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

There were many factors that led to the depth and length of the Great Depression, but some of these mistakes are being repeated today. Learn what historians and economists are saying we should watch out for in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Tiny, handheld boxes that make a sharp clicking noise saved countless American lives during the confusion of D-Day in WWII. Learn how they were used and what to do if you have one in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Dogs do indeed go through emotional changes and gain independence during puberty -- it just happens within the first couple years of their life. Learn how you can help your 'teen' pup grow up in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Tunnels made from lava flows in Hawaii and Iceland are being studied by researchers in fields from geology to astrobiology. Learn how these lava tubes could help us explore space and even find extraterrestrial life in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Serving inmates low-quality food is cheap in the short term, but it can lead all kinds of health problems that prisons (and taxpayers) pay for in the long run. Learn how cheap American prison food is and why that's a problem in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

In the mid-1800s, many people saved loved ones' hair -- but the collection of Peter A. Browne went much, much further than that. Learn why he thought it had scientific merit -- and why it actually does today -- in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Short answer: Nope! Although wolf spiders may sound (and look) fearsome, they're excellent helpers around your house, getting rid of more bothersome pests. Learn about wolf spiders in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

In July of 1960, 26-year-old Jane Goodall began setting up her field station at Gombe, which would become the site of the longest-running wildlife research project in history. Learn more about Jane Goodall's life and legacy in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

On May 10, 2019, the Trump administration increased tariffs on $200 billion worth of Chinese exports from 10 percent to 25 percent. But what does that mean for the global economy? Learn about trade wars in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Millipedes don't literally have a thousand legs, but how many do they really have? Learn about these fascinating arthropods in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Urinating in chlorinated swimming pools isn't just sorta gross -- it's actually a health hazard. Learn why in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

We previously thought that all galaxies form with the help of dark matter, but researchers just found a galaxy that doesn't seem to contain any. Learn why that's so weird and what it might mean in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Court and other government documents are often presented with redactions -- that is, with some text blacked out or otherwise made unreadable. Learn how this is done -- and why -- in today's episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

After the measles vaccine spread, researchers noticed that the death toll from many other diseases dropped. Learn how the measles destroys your immunity to other diseases, and why the vaccine is safe for most people, in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Relative humidity can make pleasant temperatures unbearable (and vice versa). Learn why -- and what the dew point has to do with it -- in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

People who receive organ transplants often die with that organ working perfectly, but today, those organs are rarely retransplanted. Learn why -- and how some researchers are hoping to change that -- in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.