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image: Sharks May Have Evolved from Acanthodians

Sharks May Have Evolved from Acanthodians

By | March 14, 2017

Analysis of an ancient shark fossil provides the strongest evidence to date that modern sharks derive from a class of 400 million–year-old bony fish.

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image: How Skates, Sharks Use Electricity to Sense Prey

How Skates, Sharks Use Electricity to Sense Prey

By | March 7, 2017

Researchers have known for decades that certain fish make use of specialized electrosensory cells, but the precise mechanism of these cells was a mystery until now. 

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image: Report: Swellshark Capable of Asexual Reproduction

Report: Swellshark Capable of Asexual Reproduction

By | November 28, 2016

Scientists use 12 microsatellites to watch as one captive female swellshark produces five pups without fertilization from a male.

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image: Prominent Marine Biologist Dies

Prominent Marine Biologist Dies

By | February 27, 2015

Eugenie Clark, known to many as “Shark Lady,” has passed away at age 92.

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image: Speaking of Science

Speaking of Science

By | February 1, 2015

February 2015's selection of notable quotes

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image: “Shark Week” Veers Into Fiction . . . Again

“Shark Week” Veers Into Fiction . . . Again

By | August 13, 2014

Researchers claim they were duped into participating in mockumentaries that aired during the Discovery Channel’s weeklong celebration of all things shark.

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image: Feeding Frenzy

Feeding Frenzy

By | March 1, 2014

Take a peek into the shark tank where Boston University biologist Jelle Atema is testing how well the fish actually smell.

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image: Jaws, Reconsidered

Jaws, Reconsidered

By | March 1, 2014

Biologist Jelle Atema is putting the sensory capabilities of sharks to the test—and finding that the truth is more fascinating than fiction.

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image: Sharks and Rays in Danger

Sharks and Rays in Danger

By | January 23, 2014

A new report finds that about a quarter of the world’s cartilaginous fish species are at risk of extinction.

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image: Behavior Brief

Behavior Brief

By | August 5, 2013

A round-up of recent discoveries in behavior research

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