What's up in
biology
genomics
Plasmid, Virus or Other? DNA ‘Borgs’ Blur Boundaries.
Scientists have reported large DNA structures in some archaea that defy easy categorization.
molecular biology
DNA Has Four Bases. Some Viruses Swap in a Fifth.
The DNA of some viruses doesn’t use the same four nucleotide bases found in all other life. New work shows how this exception is possible and hints that it could be more common than we think.
neuroscience
Neurons Unexpectedly Encode Information in the Timing of Their Firing
A temporal pattern of activity observed in human brains may explain how we can learn so quickly.
cell biology
‘Social’ Mitochondria, Whispering Between Cells, Influence Health
Mitochondria appear to communicate and cooperate with one another, both within and between cells. Biologists are only just beginning to understand how and why.
Quantized Columns
How ‘Long COVID’ Keeps Us Sick
Other diseases with long-term symptoms can help us understand how COVID can affect us long after the virus itself is gone.
COVID-19
A Lack of COVID-19 Genomes Could Prolong the Pandemic
Genomic surveillance of the SARS-CoV-2 virus can help control the current pandemic and prevent future ones. But the process is marred by insufficient data and geographic inequities.
neuroscience
Secret Workings of Smell Receptors Revealed for First Time
Researchers have finally seen how some smell receptors bind to odor molecules. The work yields new insights into one of the most mysterious and versatile senses.
explainers
How Animals Color Themselves With Nanoscale Structures
Animals sculpt the optical properties of their tissues at the nanoscale to give themselves “structural colors.” New work is piecing together how they do it.
genomics
DNA Jumps Between Animal Species. No One Knows How Often.
The discovery of a gene shared by two unrelated species of fish is the latest evidence that horizontal gene transfers occur surprisingly often in vertebrates.