Cockroaches tend to unsettle people for obvious reasons, though their biology is often stranger than their appearance. One detail that repeatedly surprises people is the colour of their blood. Unlike ...

Few creatures have earned a reputation for resilience quite like the cockroach. It can survive extreme temperatures, ...

Genome-wide association studies have identified locations of genes that determine the intensity of a body’s response to an ...

Insect innate immune responses rely on both cellular and humoral effector mechanisms to combat infection. Cellular defences are mediated by circulating haemocytes that perform phagocytosis, ...

Almost all animal species—including humans—have blood cells, but between different species our blood tells different stories. The lineage and components of blood cells vary widely, and this variety is ...

Blood is a remarkable material: it must remain fluid inside blood vessels, yet clot as quickly as possible outside them, to stop bleeding. The chemical cascade that makes this possible is well ...