Insects
A flesh-eating parasitic fly has returned to the United States after 60 years. The US Department of Agriculture confirmed the presence of New World screwworm in a calf in southern Texas this week.
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The US Department of Agriculture has confirmed the first case of New World screwworm in the United States since the 1960s. The infection was detected in South Texas and announced on Wednesday night.
Buff-tailed bumblebees have demonstrated an ability to recognize rhythmic patterns, surprising scientists who thought it required a large brain. Researchers trained the insects to distinguish sequences of flashing lights and vibrations, akin to Morse code. The findings suggest even small-brained animals can process abstract rhythms.
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Scientists have discovered that snow flies, small wingless insects, produce antifreeze proteins and generate their own body heat to remain active in subfreezing temperatures as low as -6 degrees Celsius. Researchers at Northwestern University sequenced the insects' genome for the first time, revealing unusual genes and reduced sensitivity to cold pain. The findings, published March 24 in Current Biology, offer insights into adaptations for extreme cold.
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