Researchers find shark teeth made of natural fluoride
Fossil bone bed helps reconstruct life along California's ancient coastline
In the famed Sharktooth Hill Bone Bed near Bakersfield, Calif., shark teeth as big as a hand and weighing a pound each, intermixed with copious bones from extinct seals and whales, seem to tell of a 15-million-year-old ...
Plesiosaur a victim of shark attack
Jaws -- 4 million BC
It might sound like a mashup of monster movies, but palaeontologists have discovered evidence of how an extinct shark attacked its prey, reconstructing a killing that took place 4 million years ago.
Shark tooth weapons reveal missing shark species in Central Pacific islands
The Gilbert Island reefs in the Central Pacific were once home to two species of sharks not previously reported in historic records or contemporary studies. The species were discovered in a new analysis of ...
Great white work: Scientists renew the study of shark teeth
(Phys.org) -- The lasting legacy of the great white shark is sharp, strong and pointy: its teeth.
Fossil finds shed light on penguins' evolutionary past
Africa isn't the kind of place you might expect to find penguins. But one species lives along Africa's southern coast today, and newly found fossils confirm that as many as four penguin species coexisted ...
Sea Life sharks help scientists probe mysteries of ancient seas
Sea Life Centre sharks are set to help University of Birmingham scientists unravel the mysteries of ancient seas. That will be the goal of a major research project announced as the centres prepare to host special Shark Weeks ...
Shark teeth analysis provides detailed new look at Arctic climate change
A new study shows that some shark species may be able to cope with the decreasing salinity of Arctic waters that may come with rising temperatures.