These caterpillars carry a toxic chemical cocktail and Inquisition-like delivery implements— and their geographic range is ...

Few creatures are as fearsome as venomous snakes and scorpions. While snake venom can cause paralysis and tissue damage, ...

Zero means no heat, and a regular jalapeño clocks in at around 5,000 units. The habanero, which held the record about 25 years ago, often exceeds 100,000 units. The chemical in peppers that causes ...