5,618 results
5,618 results for: Bacteria
- 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.
- 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
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.
- 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.
- Life
Chemotherapy needs gut bacteria to work
Antibiotics may prevent anticancer drugs from killing tumors.
- 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.
- Microbes
Bacteria turn threatening in tests with immune cells
In less than 30 days, nonthreatening E. coli can transform into dangerous microbes in mice.
- Health & Medicine
Staph bacteria linger deep in our noses
The nasal cavity has hidden crevices where the disease-causing bacteria like to hang out.
- Microbes
Bacteria starved in space grow better
Given limited resources microbes in microgravity make more new cells than their counterparts on Earth.
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- Climate
Glacial microbes gobble methane
While some bacteria produce methane in Greenland’s melting ice sheet, others may consume the greenhouse gas as it escapes.
