When researchers fed mosquitoes a drug used to treat people for obesity, the insects were less interested in hunting for their next human meal ticket. Karen Hopkin reports.
Elephants have six sets of teeth over their lives, sometimes two sets at once. At those times, they can extract more nutrition from food and put on weight.
Adult humans, as well as mice, slept better when gently rocked.
By turning off certain brain cells, researchers were able to make mice sense painful stimuli—but not the associated discomfort. Karen Hopkin reports.
A species of hermit crab appears to have evolved a large penis to enable intercourse without leaving, and thus possibly losing, its adopted shell.
In animal studies, a set of 24 genes involved in neural development, learning and memory, and cognition, seem to be associated with monogamy. Karen Hopkin reports.
Fructose and sucrose can make it all the way to the colon, where they spell a sugary death sentence for beneficial bacteria. Karen Hopkin reports.
Ghrelin, the hormone that makes you hungry, also makes food, and food smells, irresistibly appealing. Karen Hopkin reports.
A new study suggests that, unconsciously, we actually do believe that looking exerts a slight force on the things being looked at. Karen Hopkin reports.
The hormone irisin encourages bone remodeling, in part by first triggering another substance that encourages some bone breakdown.
A particular set of brain neurons may be behind registering itch and inducing us to scratch.
Biologists are enlisting citizen scientists to poke around under the sink and behind the curtains, for wildlife living in the "great indoors." Karen Hopkin reports.
An intrepid undergrad led the way to understanding the physics of snapping strands of spaghetti.
The Michigan Scientific Literacy Survey of 2017 found that last year's total solar eclipse got Americans more interested in celestial science.
Iridescence appears to break up the recognizable shape of objects—making them harder to spot. Karen Hopkin reports.
Foods high in both carbs and fats tickle the brain’s reward circuits more so than snacks that showcase just one or the other. Karen Hopkin reports. ...
Researchers engineered a portable device that detects even the tiniest trace of hydrogen sulfide—one of the primary offenders in bad breath. Karen Hopkin reports.
Warning a child that something, like a vaccine shot, will hurt can actually increase their perception of the pain.
The jutting midface of Neandertals seems to have evolved to help get large volumes of air into an active body that needed lots of oxygen.
A multifactorial analysis finds that the ignition of a flu epidemic stems from a blast of colder weather striking an otherwise warm, humid, urban environment, and driving people indoors into close quarters...