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Fossilstudy

All articles tagged with #fossilstudy

science1 year ago•3 min saved

Human Brains Evolved Gradually, Excelling in Growth and Adaptation

A study using a vast fossil dataset and advanced statistical methods reveals that human brain size evolved gradually within species over 7 million years, rather than through sudden leaps between species. This challenges previous beliefs about brain evolution, highlighting continuous change as the driving force. The research also shows that brain size evolution was influenced by complex factors beyond body size, emphasizing the unique evolutionary pressures on brain growth.

via Neuroscience News|

#brainsize #fossilstudy #gradualchange

science2 years ago•2 min saved

"Debate Intensifies Over T. Rex Identity Amid New Fossil Controversy"

A new study by researchers from the University of Bath and University of Chicago suggests that what were previously thought to be juvenile Tyrannosaurus rex specimens might actually be a distinct species, potentially called Nanotyrannus. The study, published in the journal of Fossil Studies, analyzed growth rings in fossils and found evidence of slower growth rates, as well as over 150 distinct anatomical features, such as narrower snouts and longer arms, differentiating them from T. rex. This challenges previous beliefs and suggests that the smaller dinosaurs were not just young T. rexes but a separate species that relied on speed rather than size and strength. The debate continues as not all scientists are convinced by the new findings.

via Fox News|

##dinosaurs #fossilstudy

science2 years ago•4 min saved

"Deciphering Dinosaur Debates: Are Tiny Tyrannosaurs a Distinct Species?"

A new study led by Dr. Nick Longrich from the University of Bath challenges the prevailing view that the Nanotyrannus lancensis fossils are juvenile T. rex specimens, arguing instead that they represent a distinct species. The research, published in the journal Fossil Studies, points to around 150 anatomical differences and growth patterns inconsistent with juvenile T. rex, suggesting Nanotyrannus was a smaller, mature tyrannosaur. Despite this, the debate among paleontologists continues, with some experts remaining unconvinced and calling for more evidence to resolve the species classification of these controversial dinosaur fossils.

via The New York Times|

##dinosaurspecies #fossilstudy