A hippo's red 'blood sweat' is neither blood nor sweat. L... | funfact.wiki | funfact.wiki
A hippo's red 'blood sweat' is neither blood nor sweat. Lacking sweat glands, hippos ooze red fluid from special skin glands. Kyoto researchers found its pigment, hipposudoric acid, acts as a natural UV sunscreen and an antibiotic.
Menthol makes your mouth feel cool without changing the actual temperature. It raises the activation threshold of cold receptors, making you perceive coldness at temperatures that would not normally trigger it.
Newborn horses don't have hard hooves. A jelly-like covering called "foal slippers" wraps around their hooves, protecting the mother during pregnancy and birth. These coverings naturally fall off once the foal begins to stand and walk.
Walking with same-side arm and leg moving together (lateral walk) is actually the most common gait among mammals — dogs, cats, elephants, and deer all walk this way. In Edo-period Japan, people also walked this way, using a style called "nanba."