Plasmodium vivax is the most common parasite that causes malaria in Asia and South America. It preferentially infects an immature red blood cell that accounts for only 1–2% of circulating blood. The ...

Membranes with microscopic pores are useful for water filtration. The effect of pore size on water filtration is well-understood, as is the role of ions, charged atoms that interact with the membrane.

The coronavirus disease 2019 (COVID-19) pandemic has led to a bumper crop of home-made and commercially manufactured face masks. Almost daily, new ‘improved’ designs appear in the market, or online.