To Justify Using Weed, Some Pregnant Women Cling to an Old and Dubious Study
Social media users extol—and health experts decry—a 25-year-old study from Jamaica suggesting cannabis use poses no harm to fetal development
Stories by Undark
From Two Bulls, Nine Million Dairy Cows
Just two Y chromosomes exist in a huge population of U.S. Holsteins; researchers want to know what traits have been lost
The Race to Relearn Hemp Farming
Researchers have a lot to learn about the previously banned crop before it flourishes on U.S. farms
Is the Psychology of Deadly Force Ready for the Courts?
In the absence of rigorous science, psychologists disagree about using the neurobiology of stress to defend police officers who kill
The Ethical Quandary of Human Infection Studies
Sometimes infecting volunteers with a disease can lead to new treatments. But how much risk and compensation is acceptable for those in poor nations?
Navigating a Sea of Superlatives in Pursuit of the Asian Carp
In the contentious discussions over what to do about Asian carp, facts and science are often distorted or even completely ignored
Can Pregnancy Help Scientists Better Understand Cancer?
Cancerous cells and placental ones appear to regulate the immune system in similar ways
Leaving the Paris Climate Accord Could Lead to a Public Health Disaster
Global warming will get worse. Physical and mental health might, too
The Virus Hunters
In the Democratic Republic of the Congo, teams of researchers are busy looking for the next deadly virus. The odds are not in their favor
