A new study theorizes that evolution ticks at different speeds, especially when a big group of organisms first appears.
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A clock running fast could explain Darwin’s fossil record gaps
Charles Darwin worried that the fossil record looked strangely abrupt, with complex animals appearing in a geological instant ...
The oldest fossilised remains of complex animals appear suddenly in the fossil record, and as if from nowhere, in rocks that ...
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Recent discoveries in the field of epigenetics, the study of inheritance of traits that occur without changing the DNA sequence, have shown that chronological age in mammals correlates with epigenetic ...
To better understand the circadian clock in modern-day cyanobacteria, a research team has studied ancient timekeeping systems. They examined the oscillation of the clock proteins KaiA, KaiB, and KaiC ...
Molecular evolution investigates the processes that drive changes in genetic material over time. It encompasses the generation of mutations—whether through DNA replication errors, damage or other ...
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