Uncategorized
- Paleontology
Ancient Buzzing: German site yields early hummingbird fossils
Excavations in Germany have yielded the only known fossils of hummingbirds from the Old World and by far the oldest such fossils unearthed anywhere.
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The phenomenon described in your article, an animal manufacturing natural poisons using chemical precursors in the environment, has been described before—in a work of science fiction! In Arthur Herzog’s 1974 novel The Swarm, later made into a movie, killer bees learned to metabolize organophosphate insecticides and incorporate those molecules into their venom. Dave LeisingLowell, Mich.
- Animals
Toxin Takeout: Frogs borrow poison for skin from ants
Scientists have identified formicine ants as a food source from which poison frogs acquire their chemical weapons.
