A new analysis of individual brain cells across several human brain regions reveals subtle but widespread differences in gene activity between male and female brains. This may help explain why some ...

Yearly migrations are a major factor in the spread of H5N1, or bird flu, but new research suggests travel outside that period may also impact the virus' spread. A new study from the University of ...

We thought it was evolution, but an experiment with pencils shows that tips like teeth and thorns may owe their rounded shape to mechanical wear. Most of us have been stung by a bee, bitten by an ...