Each odor-detecting neuron (referred to as olfactory sensory neuron from here on), chooses a single odorant receptor gene from a fairly large number of options that are split into class I (fish-like) and class II (terrestrial-specific) ...
Biotechnology
Oct 12, 2017
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3
An international study led by University of Queensland researchers has challenged a long-held idea about how mammals evolved more sensitive hearing than reptiles.
Plants & Animals
Jan 13, 2016
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20
After millions of years of amphibians, dinosaurs, and early mammals ruling the forests and swamps of the hot, humid Mesozoic and early Cenozoic, a new habitat emerged. Small patches of grasslands sprang up and spread as the ...
Evolution
Oct 1, 2015
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15
The most exciting findings covering Mesozoic mammals over the last two decades have come from the Jurassic and Cretaceous periods of China. Remarkably preserved fossils across nearly all major groups of Mesozoic mammals have ...
Archaeology
Feb 3, 2015
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50
The neocortex is the part of the brain that enables us to speak, dream, or think. The underlying mechanism that led to the expansion of this brain region during evolution, however, is not yet understood. A research team headed ...
Evolution
Nov 26, 2014
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1
The dramatic explosion of flowering plant species that occurred about 100 million years ago was thought to have been good news for evolving mammals, providing them with new options for food and habitat. But research by geologists ...
Plants & Animals
Oct 2, 2013
1
0
A major unsolved problem in mammalian evolution is the origin of Allotheria, including Multituberculata and Haramiyida. Multituberculates are the most diverse and best known Mesozoic era mammals and ecologically resemble ...
Archaeology
Aug 13, 2013
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1
A joint team from Institute of Vertebrate Paleontology and Paleoanthropology (IVPP), Chinese Academy of Sciences, Institute of Cultural Relics and Archaeology, and Office for Cultural Relics Administration of Daoxian County, ...
Archaeology
May 13, 2013
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0
A report at the 2012 Annual Meeting of the Society of Vertebrate Paleontology in Raleigh, North Carolina, explores the idea that the evolution of flowering plants (angiosperms) during the Cretaceous Period had a profound ...
Plants & Animals
Oct 23, 2012
1
1
It takes at least 10 times as many generations for a mouse to reach elephantine proportions as for the reverse transition, reveals a vast study of mammalian evolution over the past 70 million years.
Evolution
Oct 3, 2012
2
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