It is commonly accepted that the dinosaurs were driven to extinction by the drastic change in Earth’s climate brought about by the impact of a massive asteroid that occurred 66 million years ago. There is, however, evidence that the planet’s environment was already being upended by massive volcanic activity onread more
In recent years, paleontologists have been breaking new ground in what would have been previously considered an impossible source of information in their field: that of soft tissue, recovered from otherwise ancient dinosaur fossils. As this new field of study expands, researchers have announced the discovery of intact blood vessels in a dinosaur fossil, and at 80 million years old, it is the oldest find of it’s kind.
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Researchers have found what appears to be red blood cells and connective tissue, discovered in 75 million-year-old dinosaur fossils.
Researchers studying a fossilized dinosaur claw at the Imperial College in London have discovered microscopic ovoid structures in it that appear to be red blood cells. Another fossil fragment held fibrous features that resemble collagen, that makes up tendons and ligaments. These tissues are not fossilized, but are rather remnants of soft tissue.
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Extinction forms a natural part of the cycle of life. Around 50 million species currently exist on our planet but scientific research has indicated that, since life evolved on Earth, between 1 and 4 billion species could have blossomed into being only to die out and ultimately become extinct.
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