Sharks

Sharks are a group of elasmobranch fish characterized by a cartilaginous skeleton, five to seven gill slits on the sides of the head, and pectoral fins that are not fused to the head.

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What can sharks teach us about life? A lot, it turns out.

Sharks have weathered numerous mass extinctions. Will they survive us?

Not Afraid of Sharks? Well, Now They’re on Cocaine.

Sharks in Brazil test positive for cocaine, say scientists

Sharks Don’t Sink. And Neither Does Jasmin Graham.

“Cocaine Shark”: First report on cocaine and benzoylecgonine detection in sharks (2024)

Why researchers in California are giving sharks hearing tests

Sharks have depleted functional diversity compared to the last 66 million years

Advances in techniques used to identify sharks and rays have not prevented trade and increase in extinction risk - EurekAlert

How sharks survived a major spike in Earth's temperature

How sharks survived a major spike in Earth's temperature - EurekAlert

Readers consider medical privacy, where sharks rank in food webs

Small dogs are more likely to have an extra row of teeth like sharks

Don’t Blame Sharks: Scientists Reveal Why More Hooked Tarpon Are Being Eaten

Fear the Tails, Not the Jaws, of These ‘Weirdo’ Sharks

Don't blame the sharks: Why more hooked tarpon are being eaten

Humans now kill 80 million sharks per year, 25 million of which are threatened species

Sharks can be deterred from beaches by catching and releasing them

Traditional shark nets are known as 'walls of death.' A new eco-friendly barrier uses magnetic fields to deter sharks instead of trap them.

Surprise Discovery Shows These Sharks Don't Need to Keep Moving