Dolphins and other marine mammals have pretty big brains compared to the size of their bodies. That’s one indication of high intelligence, and anyone who has seen them perform at an aquarium or zoo can attest to that fact. This Science Update introduces us to one scientist who’s trying to find out how dolphins got so brainy.
In this Science Update, find out if reading in low light will wreck your eyes.
In this Science Update, hear how microbes can travel from country to country on clouds of dust.
In developing areas of the world, including parts of Asia, rapid industrialization has brought about more cars, more factories, and more people to burn coal and wood for cooking purposes. Those activities throw a lot of soot and other pollutants into the air. In this Science Update, you’ll hear about an effort to measure the pollution over Asia and assess its impact on humans and the environment.
Scientists measure the nitrate levels in groundwater and determine whether the lawn fertilizers raised those levels significantly.
In this Science Update, learn how a master model of Southern California geology can help predict earthquakes.
Most people don't pay much attention to crayfish unless they're piled high on a plate and served with melted butter. But one scientist is using the spiny crustacean to learn how social interaction can change the very chemistry of our bodies. Find out how in this Science Update.
In this Science Update, you’ll hear about researchers who are studying exactly what happens in the brain when it learns and remembers information.
Hurricanes cycle through long periods of high and low activity.
Learn about what fossils reveal about the unusual diet of early hominids.
This Science Update reveals how tales that may sound like supernatural fiction could actually be science fact.
About the only math most folks do around a baseball diamond is quoting their favorite player's batting average. But it turns out that baseball may actually have a thing or two to teach mathematicians. You'll learn why in this Science Update.
A hot area in engineering is the idea of non-destructive evaluation—using sophisticated scanning techniques to examine an item without taking it apart or cutting it open. In this Science Update, you'll learn about how one researcher has adapted the technology for a rather tasty material.
In this Science Update, you can hear about how researchers make car parts out of biodegradable plastic using elephant grass as a filler.
In this Science Update, find out whether it's possible to take direct action to repair the holes in the ozone layer.
In this Science Update, hear how exchanging technology with some of the world's poorest countries is helping to build better wheelchairs.
This Science Update looks at the unexpected impact marine reserves have on their surroundings.
Listen to a musical illusion, which causes us to hear what isn't there, and find out what it tells us about the infant brain.
People who give blood generally do so out of a desire to help their fellow human beings. However, could donating blood provide any health benefits to the donor? This Science Update examines whether or not donating blood lowers your cholesterol.
Researcher look at how spiders have established a complex social structure.