The first animals must also have invented ways to produce the many different kinds of cells we have today; muscle cells, nerve cells, egg cells and sperm to name a few. The division of labour among ...

Optimal packing problems have inspired mathematicians for centuries. Biophysicists now add a layer to the question: How do ...

The science is unsettled, but researchers say there is cause for concern. Tiny plastic particles like these—called microplastics—are added to some exfoliating skincare gels and can get into the ...