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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Spiders tend to curl up when they die, with their limbs pulled inward toward their body. These critters rely on pressurized ...

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 ...

Antibacterial and antifungal peptides found in houseflies (Musca domestica) in large number are indispensable components of its immune defense mechanism. In this study the anterior tip of the larvae ...

You probably don’t look like an insect. You don’t have feelers or wings. You keep your skeleton inside your body instead of on the outside. But what about blood? Do insects have blood like yours? I ...

Insect blood is very different from our own. It lacks hemoglobin and platelets, and uses amoeba-like cells called hemocytes to protect the immune system instead of red blood cells. This insect ...

Have you ever wondered why spiders curl up when they die? This occurs when they lose the internalized pressure to push out their limbs.