5,519 results
- Oceans
Fleeting dead zones can muck with seafloor life for decades
Low-oxygen conditions can fundamentally disrupt seafloor ecosystems and increase carbon burial, new research shows.
- Microbes
Microbe mix varies by kind of home
Urban homes hold more human-associated bacteria compared with rural homes. Subdivided houses with lots of rooms and poor ventilation could be to blame.
- Health & Medicine
Microbes can play games with the mind
Our bodies are having a conversation with our microbiome that may be affecting our mental health — for better or worse.
- Life
Fido and Fluffy could unleash drug-resistant microbes
After discovering resistant microbes in pets, scientists worry about the role of companion animals in the spread of resistant urinary infections.
- Genetics
The Iceman tells a new tale: Infection with ulcer-causing bacteria
Ötzi the Iceman was infected with a virulent strain of H. pylori. A new study is the first to piece together an ancient genome of these bacteria.
- Life
Ancient enzymes adapted to a cooler Earth to keep life’s chemical reactions going
Ancient enzymes kept their speed at lower temperatures.
- Animals
Readers dispute starfishes’ water-swirling abilities
Volcanic eruptions, fast-freezing water, starfish physics and more in reader feedback.
- Animals
Gut bacteria’s compounds bring cockroaches together
German cockroaches may rely on gut bacteria to help attract fellow roaches.
- Life
Gut microbe may challenge textbook on complex cells
Science may finally have found a complex eukaryote cell that has lost all of its mitochondria.
- Life
Typhoid toxin aids survival in mice
A DNA-damaging bacterial protein may prolong the lives of infected animals.
- Genetics
Scientists build minimum-genome bacterium
Minimal genome organism reveals how much scientists don’t know about biology.
- Health & Medicine
Cancer cells cast a sweet spell on the immune system
Tumors have surface sugars that persuade the body’s defenses to look the other way. New therapies are being devised to break the trance.
