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The Amazing Mosquito Hawk
Dragonflies are highly skilled fliers capable of hovering, rapid acceleration, and precise aerial maneuvers. Their powerful flight muscles and nearly…
1 month, 3 weeks ago
Birds Egg Evolution
Bird eggs vary in shape, color, and development patterns according to nesting environments and survival needs. Ground-nesting birds often lay pointed…
1 month, 3 weeks ago
The Rocks Bear Witness
Researchers studying salt marsh sediments found that some mud deposits can harden into sedimentary rock much faster than previously assumed. Certain …
1 month, 3 weeks ago
Evolution Can’t Digest This Fly
Conifer sawfly larvae consume pine needles while safely handling the toxic oils they contain. Specialized digestive and storage systems allow the ins…
1 month, 3 weeks ago
"Wo Fe Fe"
Experiments show that seven-month-old infants can recognize patterns in syllable sequences and respond to changes in linguistic structure. Researcher…
1 month, 4 weeks ago
Real Ant Farms
Leaf-cutting ants cultivate fungus as a food source using carefully prepared plant material. They fertilize, weed, protect, and prune their fungal cr…
1 month, 4 weeks ago
Why Are You?
Genetic studies of human origins have produced competing interpretations of the same evidence. Some researchers support a single ancestral population…
2 months ago
Glow, Little Octopus
Scientists discovered that the deep-sea octopus Stauroteuthis syrtensis has bioluminescent suckers that emit blue-green light. The glow may attract s…
2 months ago
One Smelly Amoeba
Amoeba proteus releases a chemical signal known as the A-factor that alerts nearby organisms to its presence. Researchers discovered that the signal …
2 months ago
Unnatural Selection?
The peppered moth has long been used as an example of natural selection in biology education. Later studies raised questions about the strength of th…
2 months ago