The long life span of the Greenland shark
Overview of the Greenland shark (Somniosus microcephalus), which is the longest-lived vertebrate known, with a life span of 400 years or more.
Encyclopædia Britannica, Inc.
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Encyclopædia Britannica, Inc.The “tongue map” locates taste receptors for sweet, salty, bitter, and sour flavors on different parts of the tongue.
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© MinuteEarth (A Britannica Publishing Partner)Trees have to cope with extreme temperatures, water availability, and other seasonal changes.
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Encyclopædia Britannica, Inc.What do you call this type of animal friendship? Mutualism, of course.Media Editor: Lauren Sims
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Contunico © ZDF Studios GmbH, MainzResearchers studying the inhabitants of Campodimele, Italy, who are known for their longevity.
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Encyclopædia Britannica, Inc.Video overview of the possible causes of the megalodon's extinction.
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Contunico © ZDF Studios GmbH, MainzLearn about the elephant seals of Guadalupe Island, off the northwestern coast of Baja California, Mexico.
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Contunico © ZDF Studios GmbH, MainzWhite sharks have been neither bred nor raised in captivity, and, thus, what biologists know about their habits and natural history has come only from direct observation in the wild.
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