Search Results for: Whales
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1,413 results for: Whales
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AnimalsStudy ranks Greenland shark as longest-lived vertebrate
Radiocarbon in eye lenses suggests mysterious Greenland sharks might live for almost 400 years.
By Susan Milius -
Science & SocietySpecial Report: Aging’s Future
What is aging? How does it change the brain? How did different life histories evolve? This special report addresses those questions and more.
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AnimalsPygmy blue whales deepen their moans
Sri Lankan pygmy blue whales are tweaking their calls — making one part deeper and keeping another part the same — but scientists can’t say why. The finding injects a new wrinkle in theories about blue whale calls.
By Meghan Rosen -
AnimalsMaximum size of giant squid remains a mystery
A scientist has come up with a new estimate of the maximum size of giant squid. He says the animals could be as long as two public buses.
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AnimalsSnot could be crucial to dolphin echolocation
An acoustic model reveals that echolocation relies on mucus lined tissue lumps in the animal’s nasal passage.
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AnimalsA sperm whale’s head is built for ramming
Computer simulations of a sperm whale’s head show that an organ called the junk may help protect the brain when ramming other whales — or ships.
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AnimalsWhales are full of toxic chemicals
For decades, scientists have been finding troublesome levels of PCBs, mercury and other toxic chemicals in whales and dolphins.
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EnvironmentPCB levels still high in Europe’s killer whales, smaller dolphins
PCBs banned for decades still show up at extremely high concentrations in Europe’s killer whales and other dolphins.
By Susan Milius -
GeneticsReaders question gene-drive engineered mosquitoes and their predators
Readers discuss the effects of gene-drive engineered mosquitoes and muse on their science bucket list.
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ClimateArctic passageways let species mingle
People aren’t the only animals likely to use passages that open up as the Arctic melts.
By Susan Milius -
Science & SocietyAging, hominid ears, whales and more reader feedback
Readers offer their thoughts on how hominids heard, a biochemical switch for aging, one-way airflow in lungs and more from the October 31 issue.
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LifeSearch is on for missing pieces in puzzle of male genital diversity
The debate over extreme diversity of male genitalia needs to rethink the female side. And the landscape.
By Susan Milius