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Sharks' inner ears reveal surprising diversity that may reflect evolution more than environment
المصدر: Phys.org - latest science and technology news stories · نُشر
A new study of shark anatomy suggests the shape of their inner ears is far more variable than expected, and this variation could have more to do with their evolutionary history than where they live or what they eat.
A new study of shark anatomy suggests the shape of their inner ears is far more variable than expected, and this variation could have more to do with their evolutionary history than where they live or what they eat.
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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.
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Your gut bacteria may reveal how fast your brain is aging
A UCLA study links faster brain aging to specific gut bacteria and chemical byproducts, with older-looking brains also associated with poorer memory, focus, and mood. The findings suggest that biological signs of brain aging may appear decades before obvious symptoms and could ev
All Top News -- ScienceDaily ·
Blood tests reveal why astronauts get constipated in space
Spaceflight may dramatically change the gut within weeks, causing bacteria to break down more protein as food moves more slowly through the intestines. The shift could help explain astronaut constipation and may have wider effects on health, making it an important concern for fut
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NHL Tonight: Sharks-Stars the highlight of Monday's four-game NHL calendar
It's a relatively smaller slate but includes some intriguing clashes. Here's what you need to know for each.
espn.com ·
How much is your salary?
And would you reveal it in a job interview?
feeds.bbci.co.uk ·