Cepheid variable stars exhibit regular pulsations whose period directly correlates with their intrinsic brightness (absolute luminosity). The Leavitt law establishes this relationship between ...
Researchers have created a panel of genetically diverse mice that accurately model the highly variable human response to SARS-CoV-2 infection. The team uncovered differences in the innate immune and ...
Why are human faces so variable compared to other animals, from lizards and penguins to dogs and monkeys? Scientists analyzed human faces and the genes that code for facial features and found a high ...