How Are Ethnicity and Race Different?

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.

What Is the Baader-Meinhof Phenomenon?

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.

Could Frozen Zoo DNA Stave Off Species' Extinction?

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.

How Does the Hippocampus Work?

Without the hippocampus, our brains have serious trouble recalling and recording certain types of long-term memories. Learn how this brain structure works in today's episode of BrainStuff.

Is Permafrost Really Permanent?

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.

What's the Difference Between Coroners and Medical Examiners?

These two types of professional death investigators often work together, but their jobs are usually distinct. Learn the difference in this episode of BrainStuff. 

How Do Animals Get Their Scientific Names?

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).

Should You Rent Grass-Mowing Goats?

Goats were the original weed wackers, and they're still super effective at controlling lawns and brush today. Learn why they're gaining popularity again in this episode of BrainStuff.

How Will Exploring Saturn's Moon Titan Be Different?

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.

How Do Food Forests Help Fight Hunger?

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.