Search Results for: Butterflies
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1,041 results
1,041 results for: Butterflies
- Life
Genes help monarchs migrate
At least 40 genes help monarch butterflies find their way to overwintering sites in Mexico.
- Agriculture
Biotech cotton: Less spray but same yield
The way farmers grow transgenic cotton in Arizona lets them skip some of their regular spraying but end up with the same yield as traditional farmers, as well as the same impact on ants and beetles.
- Animals
Mixed Butterflies: Tropical species joins ranks of rare hybrids
A South American butterfly is one of the few animal species that seems to have arisen via the supposedly rare path of crossing two older species.
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Is a Galápagos finch caught in a split?
An inland population of one of the famed Galápagos finches may become a new textbook example of the way in which two species emerge from one while still living together.
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Way to Glow: Butterfly-wing structure matches high-tech lights’ design
The blue-green wings of the swallowtail butterfly harbor an intricate optical system with a design reminiscent of the latest in light-emitting diode technology.
- Life
One small step for a snail, one giant leap for snailkind
Experiments suggest that gastropods shed their shells in one fell swoop during the evolutionary transition that created slugs.
- Chemistry
Hornet pigment drives solar cell in lab
Though far from photosynthetic, an insect's light-harvesting apparatus intrigues scientists.
- Life
Robins reject red glowing grub
Parasitic worms induce a color change in their caterpillar victims that's literally repulsive to predators.
- Life
Worries grow over monarch butterflies
Migrants overwintering in Mexico rebounded somewhat this past winter, but still trending downward.
- Physics
Screwy symmetry revealed
Math trick that reverses spirals and other shapes that twist and turn should provide new ways to understand and design materials.
- Life
New light on moths gone soot-colored
Researchers trace the mutation that led to the dramatic darkening of an insect's wings during England's industrial revolution to a region rich in genes that control color patterns.
- Physics
Light Swell: Optical rogue waves resemble oceanic ones
Signals in optical fibers can combine into rare, short-lived spikes that resemble oceanic rogue waves.
