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Search results for Butterflies

Ecology Dec 7, 2023

A great year to be a cabbage white butterfly: Why are there so many and how can you protect your crops?

Cabbage white butterflies—Pieris rapae—are one of the most common garden visitors across southern and eastern Australia. The butterfly looks elegant in white with black dots on its wings: females have a pair of black spots ...

Evolution Nov 20, 2023

Study of crossbred butterflies suggests multiple genes involved in hybrid animal sterility

When animals of two different species mate, their hybrid offspring can be unhealthy or sterile. Often, only one sex is affected.

Ecology Nov 12, 2023

EU parliamentarians agree on law to restore natural environments

The European Parliament on Thursday agreed on a controversial law to restore degraded environments to their natural state.

Nanophysics Nov 3, 2023

Seeing the unseen: How butterflies can help scientists detect cancer

There are many creatures on our planet with more advanced senses than humans. Turtles can sense Earth's magnetic field. Mantis shrimp can detect polarized light. Elephants can hear much lower frequencies than humans can. ...

Plants & Animals Oct 31, 2023

Monarch butterflies appear to be everywhere these days. Is the crisis over?

The anecdotes abound this year—friends reporting magical clusters of monarch butterflies on their walks, dozens of organizations offering free giveaways of native milkweed, and projects to restore habitat, even a lone monarch ...

Environment Oct 30, 2023

Artificial intelligence algorithms fail to account for a key limitation in weather prediction: The butterfly effect

Weather forecasting historically has depended on the time-consuming and energy-intensive method of using supercomputers to crunch complex sets of mathematical equations. An up-and-coming alternative involves training artificial ...

Evolution Oct 13, 2023

How do caterpillars acquire chubby legs? Scientists trace the origins to a genetic program associated with crabs

Adult insects, including butterflies and moths, typically have only three pairs of legs. But the existence of extra legs in caterpillars—chubby abdominal appendages also known as "prolegs"—has long posed an evolutionary mystery ...

Nanophysics Oct 12, 2023

Morpho butterfly nanostructure inspires technology for bright, balanced lighting

As you watch Morpho butterflies wobble in flight, shimmering in vivid blue color, you're witnessing an uncommon form of structural color that researchers are only beginning to use in lighting technologies such as optical ...

Ecology Oct 11, 2023

Rare birdwing butterflies star in federal case against NY man accused of trafficking insects

Birdwing butterflies are among the rarest and largest to grace the planet, their 10-inch (25.4-centimeter) wingspans flapping through the rainforests of Southeast Asia and Australia. Their sheer size can make them hard to ...

Evolution Oct 4, 2023

Study identifies trend toward larger and fewer eyespot patterns on butterflies

Eye spots, color patterns that resemble the eyes of vertebrates, on butterfly wings are common in nature. A research team involving the Leibniz Institute for the Analysis of Biodiversity Change (LIB) and researchers in Mexico, ...

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