A Brain Tweak Lets Mice Abstain From Cocaine
Scientists have created addiction-resistant mice by altering the reward system in their brains. The findings shed light on the biochemistry of addiction.
Research News
Depression Strikes Today's Teen Girls Especially Hard
A study tracking depression rates among U.S. teens from 2005 to 2014 finds an increase — especially among girls. A steady diet of harsh judgments from social media may play a role, researchers say.
In Studying Sick Fish, Scientists Trace History Of Fevers
Carp are a major food source, but they've been plagued by viruses. Scientists now say they have a simple solution. And along the way, they hit on an ancient commonality between fish and people.
Archaeologists Excavate 12th Cave They Say Once Housed Dead Sea Scrolls
A team from the U.S. and Israel says it has found evidence that another cave in Qumran was used to store the ancient manuscripts dating back to the time of Jesus.
How Biases Affect Stock Analyst Predictions
Research shows that financial analysts have biases in things like gender and names when it comes to evaluating companies.
Crab Teases Anemone, Anemone Splits In Two, Crab And Anemone Live On
Researchers have found the first known case of one animal, a boxer crab, stimulating another animal, a sea anemone, to reproduce asexually.
Newly Discovered Gecko's Giant Breakaway Scales Help It Flee Predators
This species is a master escape artist. It's extremely fast. It can lose its tail and grow a new one. And most unusually, it can shed its huge scales to get out of sticky situations.
The A1C Blood Sugar Test May Be Less Accurate In African-Americans
People with sickle cell trait, which includes about 10 percent of African-Americans, can get erroneous readings on a common blood glucose test. That could mean they miss out on diabetes treatment.
Women With Breast Cancer Miss Out On Recommended Genetic Testing
Most women with breast cancer say they want testing to know if they carry BRCA gene mutations that increase cancer risk, but only around half of women at high risk actually get tested.
Scientists Get Down And Dirty With DNA To Track Wild Pigs
Wild hogs inflict $1.5 billion in damage on U.S. property each year. But biologists can now track the elusive animals via tiny bits of DNA the swine leave behind in puddles and ponds.