Search Results for: Eukaryote
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Chemistry
Earth’s ‘boring billion’ years blamed on sulfur-loving microbes
A new study suggests these organisms could have kept oxygen levels low and waters toxic, stalling the evolution of complex life.
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Life
Molecular Evolution
Investigating the genetic books of life reveals new details of 'descent with modification' and the forces driving it.
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Computing
Computing Evolution
Scientists sift through genetic data sets to better map twisting branches in the tree of life.
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I, Mold
Conquering the rising tide of infection is hindered by the many similarities between humans and fungi.
By Laura Beil -
Life
Mimivirus up close
Scientists get a closer look at the structure of mimivirus, the largest virus in the world.
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Chemistry
Oldest evidence for complex life in doubt
Chemical biomarkers in ancient Australian rocks, once thought to be the oldest known evidence of complex life on Earth, may have infiltrated long after the sediments were laid down, new analyses suggest.
By Sid Perkins -
Life
Enter the Virosphere
As evidence of the influence of viruses escalates, appreciation of these master manipulators grows.
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Health & Medicine
Hot clock key to fruit fly’s global spread
A temperature-sensitive switch in a fruit fly’s biological clock means some species can survive in a wide range of climates while others are stuck on the equator.
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Earth
Animal ancestors may have survived ‘snowball Earth’
Chemical fossils in Precambrian sedimentary rock push back the first date for animal life.
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Life
Genetic sameness could be factor in Tasmanian tiger extinction
The first complete mitochondrial genome of the Tasmanian tiger is revealed. Analysis shows little genetic diversity.
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The iron record of Earth’s oxygen
Scientists are decoding the geological secrets of banded iron formations.
By Sid Perkins -
Humans
Nobel inspiration for young scientists
Tomorrow's science stars got to pick the brains of today's science giants during a question and answer session May 13 in Atlanta at the Intel International Science and Engineering Fair.