Killifish and Pollution
Killifish in a river contaminated with creosote have adapted to the pollution.
Fluorescent Lights
Why aren't fluorescent bulbs used in headlights or spotlights? (Can't focus them as well)
Mars Hotel
A hotel in orbit around the sun could ferry astronauts between Earth and Mars.
Tree Torture
Testing how trees along the San Pedro River respond to water deprivation
Calico Copycats
Will a calico cat clone always be calico? (No, fur color/pattern depends on both genes and …
Mercury Sunrise
Mercury accumulates in arctic regions because of unusual chemistry in the atmosphere
Mobile Phone Towers
Is the radiation from mobile phone antennae dangerous? (only if you get too close to the source)
Fluoride for Bones
Fluoride may help seniors citizens build better bones.
Endangered Clones
Why can't cloning be used to produce more endangered animals? (it can be, after more research is …
Emotional Thinking
The amygdala, an emotional center of the brain, processes thoughts before cognition
Grunting
Why do you grunt when you do something hard? (hold our breath as we exert ourselves, then grunt when …