What Is a Quasar? A quasar is an extremely active and luminous type of active galactic nucleus (AGN). While all quasars are AGNs, not all...
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Scientists Uncover New Clues to a Long-Standing Bonnethead Shark Mystery
Bonnethead sharks start life with pointed heads, but females undergo a str…
125-Million-Year-Old Crocodile Fossil Reveals Astonishing New Secrets
Ultraviolet imaging of a 125-million-year-old crocodylomorph fossil has re…
Dual Stem Cell Treatment Restores Vision in First Human Trial
A dual stem cell scaffold improved vision and eye surface scores in a smal…
Scientists Uncover New Clues to a Long-Standing Bonnethead Shark Mystery
Bonnethead sharks start life with pointed heads, but females undergo a str…
125-Million-Year-Old Crocodile Fossil Reveals Astonishing New Secrets
Ultraviolet imaging of a 125-million-year-old crocodylomorph fossil has re…
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