Science News

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We report on the latest news in all fields of science. See also @snexplores.bsky.social

Fires hum. As they suck in air and belch out hot gas, they give off pressure waves below the range of human hearing. Researchers used that infrasound to track a prescribed burn in Idaho from nearly two kilometers away. https://www.sciencenews.org/article/fire-sound-monitoring-tracking

Scientists tracked a fire using sound alone

Researchers tracked a prescribed grassland fire using infrasound, sound waves pitched too low for people to hear.

sciencenews.org

Orcas have been known to slap around stingrays, punt seals into the air and otherwise play with their food. But killer whales don’t just toy with live prey — some seem to enjoy destroying the carcasses of their kills like piñatas. https://www.sciencenews.org/article/orca-ram-into-sunfish-explodes

Watch an orca ram into a sunfish so hard it explodes

This strategy expands orcas’ already broad repertoire for dispatching different types of prey.

sciencenews.org