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Birds Fireproof Their HomesBower construction takes a week or longer.
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Seeds Are Nature's Most Efficient RatchetThe seeds of many grasses are remarkable little mechanical devices.
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Crying Baby Monkeys Get on Everyone's NervesWhen baby rhesus monkeys want to suckle, they do what human infants do: cry, cry, cry.
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Subterranean Creature Has Surprisingly Colorful SkinCaecilians are not entirely subterranean, it turns out.
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Deer Disoriented by Power LinesApparently they have an internal compass. The animals faced every which way near the lines.
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Cave Painting Depicts Extinct Marsupial LionCave painting offers a glimpse of the animal's external appearance.
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Dinosaurs Lived in the ArcticAnd they weren't lost wanderers, either.
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Orangutan Whistles Like a HumanWhen the mood strikes her, Bonnie the orangutan whistles.
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Spark of Love Found in FishElephantfish emit electric field to detect nearby objects, and to find a mate.
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Cellular 'Computer' Built in Live YeastScientists have engineered a cellular "computer" within the genetic material of living yeast cells
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DNA Plays Hopscotch Among Species
A phenomenon called horizontal transfer is more common than thought.
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The Picky Mouse Club
Some mice repeatedly visit several nest sites before deciding on one.
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Genetic Tricks of ParasitesParasites typically don’t have as many genes as their free-living relatives do.
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Sneaky Fish Love CaviarThis cannibal fish regularly eats eggs of its own species.
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Power of 10: Magic Number for Wild Dog Packs
What pack size lets wild dogs maximize their hard-won calories?
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Why Were Great Cities Built in Quake Zone?
11 of 13 great ancient cities were near a major earthquake fault.
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Ancient Family Heirlooms Used to Snort Hallucinogens
Anthropologists ponder the mystery of three inhaling bowls found in the Antilles.
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Global Warming Might Cook Up Too Many Male Fish
Earth’s warming could have troublesome impacts on reptiles because their gender is determined by temperature.
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Breeding Owls Defecate StrategicallyThe owl's body waste does not always go to waste.
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In Egg, Frog Knows Predators Already
A wood frog can learn to identify predators while still in the egg.
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Big Bird Brains Force EvolutionIn evolution, behavior is more than just the result of selective pressures.
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Ancient Sea Predators Shed Skin SecretsPredatory reptiles called ichthyosaurs cruised the oceans between 230 million and 90 million years ago.
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Study: Lyme Disease Was ImportedNew research shows that the pathogen responsible for the ailment originated overseas.
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Bacteria Think AheadBacteria may be humble single-celled creatures, but they're sophisticated enough to anticipate regular events.
