A new use for museum fish specimens

The discoloured fish that rest in glass jars in museums across the world are normally used by specialists as references to study the traits that identify certain species. But a new study proposes an additional use for such ...

Shark may avoid cold blood by holding its breath on deep dives

Scalloped hammerhead sharks stay warm as they descend into cold, deep water off the coast of Hawaii, suggesting the cold-blooded species may maintain its body temperature on dives by holding its breath, according to new research ...

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