5,615 results
5,615 results for: Bacteria
- Life
A vineyard’s soil influences the microbiome of a grapevine
Vineyard soil microbes end up on grapes, leaves and flowers, study finds.
- Oceans
Earth got first whiff of oxygen 3.2 billion years ago
Photosynthesis by early cyanobacteria pumped oxygen into Earth’s oceans 200 million years earlier than once thought, new geochemical analyses show.
- Health & Medicine
Fist bumps spread fewer bacteria than handshakes
Fist bumping spreads far fewer bacteria than a handshake or a high five, a new study shows.
- Science & Society
Microbes may be a forensic tool for time of death
By using an ecological lens to examine dead bodies, scientists are bridging the gap between forensic science and the ecological concept of succession.
- Anthropology
Plagues plagued the Bronze Age
Ancient bacterial DNA provides first clues to Bronze Age plagues in Europe and Asia.
- Life
Scientists dig up proteins from the past
To learn how today’s proteins evolved, scientists are reconstructing ancient molecules.
- Health & Medicine
Poop-transplant pills treat intestinal infection
Frozen capsules stuffed with healthy gut bacteria from donated poop fight C. difficile infections.
- Earth
New fascination with Earth’s ‘Boring Billion’
The Mesoproterozoic era, known as the boring billion, had very low oxygen, but it set the stage for the evolution of animals.
- Life
In a surprise find, placentas harbor bacteria
Mouth bacteria make their way to the placenta. Some mixes may trigger premature birth.
- Animals
How a seahorse dad is like a pregnant woman
Live birth has evolved at least 150 times in vertebrates, including in seahorses and humans. And there are some surprising similarities between the species.
- Genetics
Year in review: Breakthrough gene editor sparks ethics debate
The gene editing system CRISPR has opened the door to new scientific advancements — and ethical concerns.
- Microbes
Front doors carry ‘thin patina’ of poop bacteria
A new map shows that Americans’ front door frames are coated in gut-dwelling microbes.
