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Hot Topic Origins Origin & Evolution of Life
Anomodonts and Mass Extinction
Topic: Origin & Evolution of Life
Summary: A new study shows that an ancient relative of mammals did not evolve any fundamentally new features following the largest mass extinction in Earth's history.

The Temperature Tastes Just Right
Topic: Origin & Evolution of Life
Summary: Researchers studying fruit flies have discovered a previously unknown molecular sensor. Animals survive in a very limited temperature range, and little is known about how they developed temperature sensors to detect this narrow margin.

Two Strains of Bacteria Team Up, Thrive on Limited Resources
Topic: Origin & Evolution of Life
Summary: In a discovery that further demonstrates just how unexpected and unusual nature can be, scientists have found two strains of bacteria whose symbiotic relationship is unlike anything seen before.

Genetics of 'Sand' May Shed Light on Evolution
Topic: Origin & Evolution of Life
Summary: Scientists are using tiny fossil shells from microscopic organisms called planktonic foraminifera to understand more about the process of evolution.

RNA Affinities and the Origin of Life
Topic: Origin & Evolution of Life
Summary: A new study outlines how chemical components involved in the origin of life may have primed and protected each other in never-before-realized ways.

Kick Starter for Primitive Chemistry
Topic: Origin & Evolution of Life
Summary: Three new papers strengthen the case the life on Earth first began at alkaline hydrothermal vents at the bottom of the oceans.

Forming a Definition for Life : Interview with Gerald Joyce
Topic: Origin & Evolution of Life
Summary: What is life? In this interview, Gerry Joyce of the Scripps Research Institute reveals why it's been so hard for scientists to come up with a definition that encompasses the multiple dimensions of life as we know it.

A Stepping-Stone for Oxygen on Earth
Topic: Origin & Evolution of Life
Summary: Scientists have uncovered evidence of an manganese-oxidizing photosystem that could have been a stepping-stone to water-oxidizing photosynthesis in microorganisms on the early Earth.

3-Billion-Year-Old Microfossils Include Plankton
Topic: Origin & Evolution of Life
Summary: Spindle-shaped inclusions in 3 billion-year-old rocks could be microfossils of plankton that inhabited Earth's ancient oceans.

The Fall of Stromatolites
Topic: Origin & Evolution of Life
Summary: A new study shows that the widespread disappearance of stromatolites on the ancient Earth may have been caused by single-celled organisms called formanifera.

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