Latest articles by Jennifer Welsh
How We Predict Each Other's Choices
Our brains weigh the risk and reward others struggle with when making a decision.
Feel-Good Brain Chemical's Role in Sleep
Increasing dopamine levels could be what wakes you up in the morning.
Simple Way to Boost Marital Happiness? Say 'Thank You'
'Thank You' goes a long way to keeping couples happy
Gorillas Rebuilding After Ebola Outbreak
It may take more than 130 years for the population to return to its pre-Ebola size.
Gene Mutation Linked to Mysterious Brain Disease in Dogs
Genetic test could save puppies (and humans) from short lives.
Sudden Aggression in Dogs Often a Sign of Pain
Dogs that become aggressive may be suffering from undiagnosed pain.
Carnivorous Plant's Rain-Powered Catapult Flips Ants for Food
A drop of rain turns a pitcher plant lid from a safe zone into a death zone.
Higher Housework Burden Stresses Women
Unequal employment and pay add to mom's stressors, because they make her feel the need to do more housework.
Unraveling the Bonobo's Genome, and its Secrets
The bonobos genome will help unravel the secrets that separate humans, physically intellectually and behaviorally, from our closest primate relatives.
Snakes' Scales Propel Them Up Tree Trunks
Snakes' scales and body muscles help them climb narrow crevices on tree bark.
Male Spider Ditches Penis, Gains Fighting Power
After ditching their genitals, male spiders get an extra dose of endurance due to their decreased body weight.
Mysterious, Unclaimed Civil War Images
The Museum of the Confederacy released several photos of unidentified soldiers and their families — do any look familiar?
Wanted: IDs for Mysterious Civil War Photos
The Museum of the Confederacy released several photos of unidentified soldiers and their families — do any look familiar?
Morning People Are Actually Happier Than Night Owls
It's not just your surly morning demeanor, morning people are happier in general than night owls.
Ancient Warship's Ram Under Attack by Corrosion
The beak-like weapon used to ram enemy ships is suffering the strain of sulfuric acid.
Mites and Virus Team Up to Wipe Out Beehives
Mite's bite injects bees with colony-collapsing virus.
How Vampire Spiders Choose a Blood Meal
Beware what headgear you ware around vampire spiders: If your antennae aren't elaborate enough, the spider might eat you up.
Baby's Cells Mix and Mingle with Pregnant Mom's
During pregnancy women's organs contain placental cells, along with immune and connective tissue cells from the fetus.
Diet Season: Dinosaurs Slim Down in New Analysis
Researchers may have oversold the weight of some ancient creatures, a new analysis suggests.
Giant Insects Shrunk As Birds Entered Prehistoric Skies
Competition from birds and bats beat ancient bugs down to size.
Vertebrates Share Brain Circuitry for Social Decisions
When it comes to social behaviors, like mating and aggressive acts, the underlying decision making process in the brain is the same in birds, reptiles, mammals and fish.
