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Best Amazon Prime Day Vacuum Deals: Dyson, Shark, and Robot Vacuums (2026)
I’ve compared cordless sticks, watched robot vacuums chase stains, and cleaned plenty of car crumbs. These discounts get my recommendation.
WIRED ·
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“Shark”
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Sharks can hear nearly 250 feet away and pinpoint the source
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.
All Top News -- ScienceDaily ·