Both Tour de France racers and recreational cyclists can improve performance by riding hardest into the wind.
Dogs and people with Williams syndrome may both owe their sociable personalities to changes in the same genes.
Astrophysicists offer a possible explanation for why dark matter seems to behave differently in the Milky Way.
Mathematical model shows how fear of crime can spread even when risk is low.
Analysis of dinosaur fossils showed that some parents warmed their eggs with body heat.
Wastewater from oil drilling is triggering earthquakes, and no one can predict where they will strike or how hard they will shake.