Latest articles by Jennifer Welsh
Future Rx: Marijuana Without the Forgetfulness
Marijuana slows working memory by messing with the brain's "helper cells"
How Animal and Human Emotions Are Different
Animal and human emotions are very different, but rooted in the same "survival circuits," researcher Joseph Le Doux says
Tools May Have Been First Money
Ancient humans traded tools between tribes and they gained social significance.
Human Brain Loses Billions of Neurons in New Analysis
Did the whole human race just got a little dumber?
Dueling Skulls: Triceratops Controversy Continues
Are Triceratops and Torosaurus two species? Researchers square off once again.
T. Rex's Bite More Dangerous Than Previously Believed
The tyrant lizard's bite seems to be the strongest of any living or extinct land animal
Shallow Animals OK With Deep-Sea Pressures
Animals only seen on the ocean surface can survive 1000 meters of pressure for more than a month, feeding and molting normally.
Marine Mammals Need Rights, Too, Scientists Say
Because of their special intelligence and culture, dolphins should have rights.
Deep Sea Life On View in 'Abyss Box'
The specially designed high-pressure tanks display deep sea vent crabs and shrimp.
Humans Have About 100 Broken Genes Each
Some of these broken genes cause disease, but most are harmless
Tasmanian Devil Cancer Traced Back to 'Immortal' Devil Girl
The genetics of the devil's cancer could help scientists beat it.
Flies Get Drunk to Kill Off Parasites
A hangover may feel like death, but it usually won't kill you. In the case of the fruit fly, though, not getting drunk might.
Mommy Track: Why Women Leave Science, Math Careers
Studies indicate that the number one reason women leave math-based academic careers is to have children.
'Manly' Fingers Make For Strong Jawline in Young Boys
Boys with "manly" faces were probably exposed to higher testosterone levels before birth.
6-Month-Old Infants Understand Words
They may not be talking yet, but infants comprehend your mama-babble.
Feeling in Control Boosts Brainpower in Elderly
How "in control" we feel swings wildly — and when it's high, we are actually smarter.
Child Abuse Leaves Mark on Brain
Differences in the brains of abused or non-abused adults could be the source of abuse-related mental illness.
Traditional 'Sexist' Beliefs Keep Women from Combat, Scientists Say
New regulations open more positions for women, but still keep them away from the fighting. Why?
Deadly Songbird Parasite Evolving Rapidly
The disease-causing bacteria has also lost its immune system along the way, leaving a weakness the researchers hope to exploit.
Hear This: Ship Noise Stresses Whales
Chronic stress could make the whales more prone to disease and reproductive problems
Just Another Face: Brain Breakdown Hinders Recognition
Weak brain connections make recognizing faces difficult for some
Jurassic Katydid's Love Song Recreated
Researchers have recreated the come-hither call of a 165 million year old bug
