Millions are living with brittle bones and… Bones can become so brittle people break their spine simply by coughing or picking up a grandchild, warn…
From sea urchin spines to bullets: Surgeon… An American surgeon has revealed the shocking things that he has recently had to remove from people's hands when…
These Male Wasps Use Genital Spines to Scare Off… Males of one wasp species use their genitals as an antipredator defense, mimicking females and jabbing potential…