Mosquito males and females beat their wings at different ... | funfact.wiki | funfact.wiki
Mosquito males and females beat their wings at different frequencies, but before mating they tune toward a shared harmonic. In *Aedes aegypti*, females (~400 Hz) and males (~600 Hz) converge near 1,200 Hz. A 2009 *Science* study found this synchrony is key to mate choice.
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."