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Plants & Animals Nov 22, 2024

Caste differentiation in ants: How a specific hormone regulates the process

Scientists from the University of Copenhagen have revealed how a specific hormone regulates ant caste differentiation by phenotypic measurements of organ-level developmental changes and matching transcriptome analyses. Published ...

Social Sciences Nov 20, 2024

Study explores the effectiveness of honesty oath for reducing dishonest behaviors

Over the past decades, psychologists and policymakers have been trying to devise interventions that could dissuade individuals from engaging in dishonest social behaviors, such as tax evasion or fraud. One promising strategy ...

Ecology Nov 15, 2024

'Walk this way': Model explains how ants create trails to multiple food sources

It's a common sight—ants marching in an orderly line over and around obstacles from their nest to a food source, guided by scent trails left by scouts marking the find. But what happens when those scouts find a comestible ...

Plants & Animals Oct 16, 2024

Electrophysiology study shows how ant toxin causes extreme pain

University of Queensland researchers have uncovered the workings of ant venom by measuring electric currents through individual channels in cells to understand how it causes pain.

Evolution Oct 15, 2024

Examining the extent of coevolution between fungus-farming ants and the bacteria that live on their exoskeleton

A study investigates the evolution of beneficial bacteria that live inside and on the surface of farming ants. Attine ants farm fungi, in one of the natural world's best-studied mutualistic symbioses. In the 1990s, the picture ...

Plants & Animals Oct 14, 2024

Ant–plant symbiosis study finds climate change may be destabilizing mutualistic relationships

A new North Carolina State University study finds that climate change could be destabilizing the mutualistic relationships between insects and plants. The findings, appearing in the journal Ecology, could portend the future ...

Evolution Oct 7, 2024

Genomic study reveals fungal domestication by leafcutter ants

While our human ancestors began domesticating food crops around 10,000 years ago, a lineage of ants called the "attines" became fungus farmers 60 million years earlier. The attine ants and their fungal crop mutually depend ...

Evolution Oct 6, 2024

Asteroid that wiped out the dinosaurs may have led to the invention of 'ant agriculture'

The event that wiped out the dinosaurs wasn't all bad. The low-light environment caused by the meteor impact some 66 million years ago favored the spread of fungi that feed on organic matter, which was abundant at the time ...

Evolution Oct 3, 2024

Genetic database shows some fungal crops became completely reliant on ants 27 million years ago

When humans began farming crops thousands of years ago, agriculture had already been around for millions of years. In fact, several animal lineages have been growing their own food since long before humans evolved as a species.

Plants & Animals Sep 30, 2024

Ants might be pushing montane birds higher up, study finds

Mountains are home to 85% of the world's amphibian, bird, and mammalian species, despite covering only 25% of the Earth's surface. This makes them a highly diverse ecosystem and a key focus for conservation efforts.

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