5,519 results
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- Life
The origin of biological clocks
Most of Earth’s creatures keep time with the planet’s day/night cycle. Scientists are still debating how and why the circadian clocks that govern biological timekeeping evolved.
- Quantum Physics
Quantum dots get a second chance to shine
Quantum dots, semiconductor particles that can emit a rainbow of colors, have been put to work observing living cells, with possible benefits for medical diagnosis.
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- Life
Dietary changes affect gut microbes within a day
Menu restricted to meat, egg and cheese alters bacterial mix more than eating only plants.
- Genetics
Organism with artificial DNA alphabet makes its debut
Using DNA molecules other than A, C, G and T, scientists have created the first living organism with an expanded genetic alphabet.
- Microbes
The vast virome
When it comes to the microbiome, bacteria get all the press. But virologists are starting to realize that their subjects also do a lot more than make people sick.
- Environment
Five years on, Deepwater Horizon oil spill’s impact lingers
Five years after the Gulf of Mexico’s largest disaster, researchers are still studying its ecological impact and struggling to learn the fate of most of the spilled oil.
- Life
Newborns’ weak immunity may allow helpful bacteria to gain a foothold
Though infant immune systems raise risk of infection, they also allow good microbes into the body, study in mice shows.
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- Life
Year in Review: Your body is mostly microbes
Microbiome results argue for new view of animals as superorganisms.
- Health & Medicine
Unsolved drugs
Long thought to launch precision attacks against bacteria, antibiotics may also cause lethal collateral damage, according to a controversial theory. Exploring how these compounds kill may reveal new ways to fight antibiotic resistance.
