The concepts of ethnicity and race are both human inventions with no basis in science, but these concepts have huge impacts on us and our world. Learn the difference between ethnicity and race in this episode of BrainStuff.
Also called the frequency illusion or recency illusion, the Baader-Meinhof phenomenon occurs when you learn something new, then notice instances of it everywhere. Learn how it works and how it got its name in this episode of BrainStuff.
As human civilization encroaches on wild animals' habitats, some face extinction. Learn how researchers hope to someday use frozen DNA sample taken from zoo animals to replenish wild populations in this episode of BrainStuff.
Despite its name, permafrost doesn't necessarily last forever -- and when it melts, it can have a negative effect on the environment. Learn how permafrost works (and how it preserves long-dead creatures so well) in this episode of BrainStuff.
The person who discovers a new species gets to name it -- but what do 'new' and 'discover' mean here? And do all names get approved? Learn how scientific naming and taxonomy work in this episode of BrainStuff (plus, meet a fish named after Greedo).
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.
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.
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.
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.
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.
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.
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.
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.