5,519 results
- Animals
Mysterious neurotoxin may help flatworms kill prey
Tetrodotoxin, the deadly chemical in pufferfish, could help flatworms transform their earthworm prey into puddles of goo.
- Genetics
Year in review: Life’s complexity recoded
New genetic letters in bacteria and a simplified yeast chromosome showcase scientists' advances in understanding the simplicity and complexity of life.
- Health & Medicine
Imbalance in gut bacteria may play role in Crohn’s disease
Identifying the onset of Crohn’s disease may best be done by looking at bacteria in the cellular linings intestinal tissue.
- Health & Medicine
Doctors enlisted to turn the tide on antibiotic resistance
Antibiotic stewardship requires education, diligence, and changes in prescribing. At some hospitals, it’s beginning to halt a dangerous trend.
- Oceans
World’s largest ocean dead zone may shrink as Earth warms
North Pacific dead zone may grow smaller, not expand, as climate change weakens Pacific Ocean trade winds.
- Life
Artificial sweeteners may tip scales toward metabolic problems
The artificial sweetener saccharin meddles with the gut’s microbial community, setting in motion metabolic changes associated with obesity and diabetes.
- Health & Medicine
Mini stomachs grown in lab
Clumps of human gastric cells could help researchers study stomach diseases.
- Genetics
GMOs haven’t delivered on their promises — or risks
Genetically modified foods have been studied extensively and are abundant on supermarket shelves, but they haven’t managed to end world hunger yet.
- Life
Gut microbes less diverse in humans than in apes
An analysis of gut bacteria shows that humans have evolved to possess less diversity in microbe populations.
- Science & Society
Home-brewed heroin: Hold the hype
Now is the time to think about policy for synthetically produced morphine, but the process, if it bears out, is years away from working.
- Life
Chemotherapy needs gut bacteria to work
Antibiotics may prevent anticancer drugs from killing tumors.
- Health & Medicine
Viruses can zoom through workplaces in hours
A virus on an office door handle can spread to more than half the people working there within a few hours.
