126 results
- Neuroscience
Global warming unpaused, how space affects the brain and more reader feedback
A reader shares a story about Stephen Jay Gould, while others discuss how to protect the brain from radiation in space and whether 2014 was the hottest year on record.
- Genetics
Year in review: Life’s complexity recoded
New genetic letters in bacteria and a simplified yeast chromosome showcase scientists' advances in understanding the simplicity and complexity of life.
- Life
First chromosome made synthetically from yeast
Work with yeast marks the first time scientists have synthesized a chromosome from organisms with complex cells and represents a major step toward lab-created eukaryotic life.
- Life
Alga borrows genes to beat the heat, acid and toxic metals
Such genetic theft from bacteria and archaea is unusual among eukaryotes.
- 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.
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- Life
View to a cell
In 2013, Science News published a photo essay highlighting advances in microscopy that illuminate life within us, work that has now earned three researchers the 2014 Nobel Prize in chemistry.
- Life
Complex life hit freshwater early
Tiny fossils in Scottish rock show that cells with nuclei had spread beyond the seas by a billion years ago.
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- Earth
African fossils suggest complex life arose early
Researchers find evidence that Earth’s earliest multicellular life got going 2.1 billion years ago.
- Life
All present-day life arose from a single ancestor
A major tenet of evolutionary theory — that all life stems from a common source — passes a statistical test.
- Life
Dissing a loaded label for some unicellular life
Prominent biologist calls ‘prokaryote’ outdated term.
