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Search results for Butterflies

Plants & Animals Jun 3, 2022

40 years of conservation data: Population trends of butterflies, dragonflies and grasshoppers

Sparse data often make it difficult to track how climate change is affecting populations of insect species. A new study by the Technical University of Munich (TUM) and the German Centre for Integrative Biodiversity Research ...

Quantum Physics May 26, 2022

Finding coherence in quantum chaos

A theoretical breakthrough in understanding quantum chaos could open new paths into researching quantum information and quantum computing, many-body physics, black holes, and the still-elusive quantum to classical transition.

Ecology May 24, 2022

Monarch butterfly numbers in Mexico rise by 35%

Mexican experts said Monday that 35% more monarch butterflies arrived this year to spend the winter in mountaintop forests, compared to the previous season.

Ecology May 20, 2022

Light pollution can disorient monarch butterflies

Besides planting milkweed in the garden, people interested in helping monarch butterflies might want to turn off the porch light.

Plants & Animals May 2, 2022

Park rangers use butterflies to take planet's pulse in a biodiversity hotspot

In 2017, a group of scientists raised alarm bells by showing that flying insects had declined in Germany by more than 70% in the three preceding decades. Studies before and since then have shown similar patterns in insects ...

Plants & Animals May 2, 2022

Using tiny sensors to monitor migrating monarchs

Millions of monarch butterflies migrate each fall to a specific cluster of mountain peaks in central Mexico. How exactly they navigate to their winter home, and the way they choose their path, is a topic of great interest ...

General Physics Apr 22, 2022

Topological synchronization of chaotic systems

Can we find order in chaos? Physicists have shown, for the first time that chaotic systems can synchronize due to stable structures that emerge from chaotic activity. These structures are known as fractals, shapes with patterns ...

Environment Apr 21, 2022

Climate change triggering global collapse in insect numbers, stressed farmland shows 63% decline: New research

Insects are critical to the future of our planet. They help to keep pest species under control and break down dead material to release nutrients into the soil. Flying insects are also key pollinators of many major food crops, ...

Ecology Apr 13, 2022

Monarch butterflies increasingly plagued by parasites

Monarch butterflies, among the most iconic insects in North America, are increasingly plagued by a debilitating parasite, a new analysis shows. The Journal of Animal Ecology published the findings by scientists at Emory University ...

Ecology Apr 11, 2022

Monarch protections across states aim to prevent federal rules

Each spring, millions of monarch butterflies leave their overwintering sites in the Sierra Madre mountains of central Mexico and begin their annual migration north across the United States.

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