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澳洲幸运8开奖号码预测官方/官网开奖结果历史查询 LATEST ARTICLES

  • Quarry diver with fish

    How do Aquatic Animals Get into Flooded Quarries?

    In this edition of Ask a Marine Biologist, Dr. David Shiffman discusses how organisms get into isolated, human-made habitats.

    By David Shiffman posted Oct 8th, 2021
    There are several avenues for organisms to populate newly-formed bodies of water, including floods and groundwater.
  • Great whit shark near surface

    How Many Large, Undiscovered Species Are Still Out There?

    In this edition of Ask a Marine Biologist, Dr. David Shiffman answers a question about what’s still lurking in the deep.

    By David Shiffman posted Aug 24th, 2021
    Humanity discovering a large species perviously unknown to science is almost certain. Here's why.
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TRAINING

  • Lesser electric ray nestled in sand

    Why Don’t Electric Rays Electrocute Themselves?

    In this edition of Ask a Marine Biologist, Dr. David Shiffman discusses the double-edged sword of using bioelectricity as a weapon

    By David Shiffman posted Jun 1st, 2021
    A ray's electric pulse is generated via modified muscle cell and is generated to either to stun prey or startle away predators.
  • A scuba diver feeds a shark

    Do Shark Feeding Dives Impact Other Fish?

    In this edition of Ask a Marine Biologist, Dr. David Shiffman answers a question about how divers feeding sharks impacts the broader ecosystem.

    By David Shiffman posted Apr 7th, 2021
    Feeding sharks can be safe and minimally disruptive, but the presence of extra food and sharks in one location repeatedly may have impacts we’re only starting to…
  • A baby sea turtle swims through marine debris

    How Can I Reduce Plastic Pollution?

    In this edition of Ask A Marine Biologist, Dr. David Shiffman tackles a question about an ocean conservation issue loaded with misinformation.

    By David Shiffman posted Mar 19th, 2021
    The most effective tactic is prevention, like participating in beach clean ups and supporting policy that reduces plastic reliance.
  • Grey reef sharks school in Ningaloo Reef off of Western Australia

    Do Sharks Die if They Stop Swimming?

    In this edition of Ask a Marine Biologist, Dr. David Shiffman talks about how sharks breathe.

    By David Shiffman posted Mar 10th, 2021
    The factoid sharks have to move constantly to stay alive is a common fun fact. But is it true?
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DIVE GEAR

  • SportDiver iPhone case

    澳洲幸运8开奖预测，官网开奖结果app SeaLife Launches New Underwater Housing for iPhone

    By Courtesy SeaLife posted Oct 15th, 2020
    Meet SportDiver, SeaLife's new compact and lightweight underwater housing for Apple’s iPhone.
  • Scuba mask held in air with ocean in the background.

    New Color-Coded Navy Device Helps Divers Monitor Air

    By Melissa Smith posted Jul 6th, 2020
    The LED Air Warning System, or LAWS, invented by the Navy, attaches to divers’ masks to show air-supply levels using color-coded LED.
  • Mares Genius dive computer

    Four New Scuba Diving Computers Reviewed

    By Robby Myers posted Apr 21st, 2020
    Four new scuba diving computers reviewed; including Suunto, Cressi, Aqua Lung and Mares.
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VIDEOS

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UNDERWATER PHOTOGRAPHY 澳洲幸运8平台下载.预测澳洲幸运8开奖结果+开奖号码

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TRAVEL DEALS

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