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New evidence suggests comet or asteroid impact was last straw for dinosaurs

Academics / General Science : ScienceDaily: Science Society

While many assume that a comet or asteroid impact killed off the dinosaurs, the actual dates of the impact and extinction are imprecise enough that some have questioned the connection. Scientists have now dated the extinction with u...

Ancestor of biggest dinosaurs: First dinosaur discovered in Spain dates back 15 million years earlier than thought

Academics / General Science : ScienceDaily: Science Society

The dinosaur Aragosaurus ischiaticus, discovered 25 years ago in Teruel, is from 15 million years earlier than originally thought. Its new dating means that it was the ancestor of the Titanosauriforms, which includes the biggest din...

Our ancestors evolved faster after dinosaur extinction

Academics / General Science : Science Codex

Our ancestors evolved three times faster in the 10 million years after the extinction of the dinosaurs than in the previous 80 million years, according to UCL researchers. The team found the speed of evolution of placental mammals -...

Impact glass from asteroids and comets stores biodata for millions of years

Academics / General Science : ScienceDaily: Science Society

Bits of plant life encapsulated in molten glass by asteroid and comet impacts millions of years ago give geologists information about climate and life forms on the ancient Earth. Scientists exploring large fields of impact glass in ...

Asteroid Impact May have Triggered Evolution of Earth's Multicellular Life (Today's Most Popular)

Academics / Astronomy : The Daily Galaxy

A massive asteroid that struck South Australia during a glacial cold snap 590 million years ago may have triggered the evolution of Earth’s earliest complex organisms, Australian geologists reported. In 2010, researchers from the Un...


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