科学与环境

Sharks can hear nearly 250 feet away and pinpoint the source

来源: All Top News -- ScienceDaily · 发布于

Wild blacktip sharks can detect low-frequency sounds from nearly 250 feet away, according to experiments conducted off the Florida coast. The sharks not only heard the sounds but sharply changed direction away from them, suggesting they could pinpoint where they were coming from.

Wild blacktip sharks can detect low-frequency sounds from nearly 250 feet away, according to experiments conducted off the Florida coast. The sharks not only heard the sounds but sharply changed direction away from them, suggesting they could pinpoint where they were coming from.

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科学与环境

NASA’s Crew-13 could go from Florida to the ISS in under 9 hours

NASA and SpaceX could launch four astronauts to the International Space Station on October 1, with the Dragon spacecraft reaching orbiting outpost less than nine hours after liftoff. Crew-13 will join Expedition 75 after teams complete a final round of intensive launch-readiness

All Top News -- ScienceDaily ·