Individual dolphins identify themselves to new dolphins they meet
Dolphins are able to carry on multiple conversations simultaniously.
Dolphins apparently have a system of identifying themselves to each other similar to the way you and I use names.
Scientists have actually known since the 1960s that this system existed. Basically, each dolphin creates their own “signature” whistle when they’re very young. In studies of captive dolphins.
Dolphins apparently have a system of identifying themselves to each other similar to the way you and I use names.
Scientists have actually known since the 1960s that this system existed. Basically, each dolphin creates their own “signature” whistle when they’re very young. In studies of captive dolphins.
Nano particles in food, vitamins could harm human health
An intestinal cell monolayer after exposure to nanoparticles, shown in green.
Billions of engineered nanoparticles in foods and pharmaceuticals are ingested by humans daily, and new Cornell research warns they may be more harmful to health than previously thought.
A research collaboration led by Michael Shuler, the Samuel B. Eckert Professor of Chemical Engineering and the James.
Billions of engineered nanoparticles in foods and pharmaceuticals are ingested by humans daily, and new Cornell research warns they may be more harmful to health than previously thought.
A research collaboration led by Michael Shuler, the Samuel B. Eckert Professor of Chemical Engineering and the James.
World’s tiniest lizards discovered in Madagascar
This little chameleon is one of four miniature lizards identified in Madagascar, adding to our growing list of amazingly teeny animals. The one on the match in this picture is a juvenile, but even the adults max out at 30 millimeters. They’re the smallest lizards in the world, and some of the smallest vertebrates found to date.
The Lilliputian lizard is near the lower limits of size in vertebrate animals. Learning about how these creatures live can put some constraints on animal morphology — if your species has eyes, a backbone and a brain, there’s likely a limit to how little you can get. A different group of field biologists just announced the world’s smallest frog, and they claim it is the smallest vertebrate in the world, knocking a tiny Indonesian fish off the pedestal of puniness.
The chameleons are related to other Madagascan lizards, but DNA analysis showed they have enough genetic differences to count as distinct species, according to the researchers who found them, led by Frank Glaw of the Zoological State Collection of Munich. The animals live in leafy undergrowth in Madagascan forests.
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