Some headache experts see something else — the possible ghosts of the author's migraines, which can leave victims temporarily blinded, nauseated, hallucinatory, numb, unable to concentrate or seeking shelter from painful stings of light and sound. (sciencenews.org)
The bark scorpion (Centruroides sculpturatus) delivers one of the most painful stings in the animal kingdom — human victims have compared the experience to being branded. (sciencemag.org)
Predators that have learned to stay away from painful stings will be motivated to leave this mimic alone. (scientificamerican.com)