News
-
Disorderly Conduct: U.S. survey finds high rates of mental illness
Nearly half of all adults in the United States develop at least one mental disorder at some time in their lives, although most cases aren't serious enough to require treatment.
- Animals
Sponge Moms: Dolphins learn tool use from their mothers
Dolphins that carry sponges on their beaks while looking for food may have learned the trick from their mothers instead of just inheriting a sponge-use gene.
-
Cancer Link: MicroRNA grabs the spotlight
A type of genetic molecule known as microRNA can regulate gene activation and, in some cases, accelerate cancer growth.
- Earth
Seismic noise can yield maps of Earth’s crust
The small, random, and nearly constant seismic waves that travel in all directions through Earth's crust can be used to make ultrasoundlike images of geologic features within the crust.
