5,519 results
- Earth
Studies aim to resolve confusion over mercury risks from fish
Several new papers suggest strategies by which American diners can negotiate a mercury minefield to tap dietary benefits in fish.
- Humans
Ancient DNA suggests new hominid line
Genetic data unveil a previously unknown Stone Age ancestor in central Asia.
- Life
For worms, one gene can change survival behavior
Natural differences in a single gene cause worms to either eat or avoid harmful bacteria.
- Earth
Buckyballs do antimicrobial magic
A new study shows that soccer-ball–shaped carbon nanoparticles can prevent biofilm from gunking up water filters.
- Paleontology
Bacteria may play big role in forming fossils
Bacteria can build a biofilm that preserves a tissue's structure.
- Archaeology
Biocides inducing resistance in Lascaux cave’s microbes
Study makes researchers wonder whether they should treat fungus or not.
- Life
It’s not their dirty mouths
Komodo dragons kill prey with venom, not oral bacteria, study suggests.
- Life
Bornavirus genes found in human DNA
Researchers have found molecular fossils of an RNA virus in human and other mammalian genomes, pushing back the emergence of RNA viruses millions of years.
- Life
Briny deep basin may be home to animals thriving without oxygen
Creatures living deep in the Mediterranean without oxygen would be a remarkable first, biologists say.
- Health & Medicine
MRSA has its day in the sun
Beachgoers may be exposed to antibiotic-resistant microbe strain in sea and sand, but there appears to be no link to infection.
- Anthropology
Ancient DNA points to additional New World migration
Scientists have extracted a nearly complete genome from the hairs of a 4,000-year-old man, suggesting a new scenario for Asian migrations into the New World.
- Earth
Where humans go, pepper virus follows
Plant pathogen could help track waters polluted with human waste.
