Behavioral Science
Researchers have documented sperm whales colliding head-on with their heads for the first time using drone footage from the Azores and Balearic islands. The behavior, observed among sub-adult whales, supports longstanding sailor accounts of aggressive whale encounters. The findings were published on March 23 in Marine Mammal Science.
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Scientists from Georgia Tech and MIT have developed a mathematical model explaining how female Aedes aegypti mosquitoes navigate to humans. The study shows insects respond independently to dark visual cues and carbon dioxide rather than following each other. Findings could improve mosquito traps and disease control.
New research reveals that bumble bees often prevail in direct confrontations with invasive Argentine ants at feeding sites, but these encounters lead to prolonged aggression that reduces their food collection. This added pressure exacerbates challenges for bumble bee colonies already facing habitat loss, diseases, and pesticides. The study highlights how such interactions could impact these vital pollinators.
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Researchers at Queen Mary University of London have discovered that bumblebees can differentiate between short and long durations of light flashes, akin to recognizing Morse code signals. This ability, previously observed only in humans and select vertebrates, allows the insects to associate specific flash lengths with food rewards. The finding highlights unexpected timing capabilities in tiny insect brains.