Mantas, devil rays butchered for apothecary trade now identifiable
Since dried filters from the mouths of filter-feeding rays hit apothecary shop menus in Asia—the thought being that eating ground-up filters will cleanse one's liver—there's been no way to know which ...
Functioning 'mechanical gears' seen in nature for the first time
a plant-hopping insect found in gardens across Europe - has hind-leg joints with curved cog-like strips of opposing 'teeth' that intermesh, rotating like mechanical gears to synchronise the animal's legs ...
Field study shows titi monkeys convey both location and predator type with vocal alarms
Long-held assumption about emergence of new species questioned
Darwin referred to the origin of species as "that mystery of mysteries," and even today, more than 150 years later, evolutionary biologists cannot fully explain how new animals and plants arise.
Primate calls, like human speech, can help infants form categories
Human infants' responses to the vocalizations of non-human primates shed light on the developmental origin of a crucial link between human language and core cognitive capacities, a new study reports.
Spider venom reveals new secret
University of Arizona researchers led a team that has discovered that venom of spiders in the genus Loxosceles, which contains about 100 spider species including the brown recluse, produces a different chemic ...