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The Lazarus Effect
Topic: Origin & Evolution of Life
Summary: Researchers have solved an age-old riddle surrounding the evolutionary relationships of a much-debated fossil mammal. The findings also show that the family of mammals represented by the fossil survived the extinction event that marks the end of the Age of Dinosaurs.

Did AEG come before DNA?
Topic: Origin & Evolution of Life
Summary: Early forms of life on Earth may have used RNA to encode genetic instructions before the advent of DNA. But what sort of genetic molecules did life rely on before RNA? A new study may help answer this question.

Timing the Tree of Life
Topic: Origin & Evolution of Life
Summary: A new technique could help scientists easily determine the time of divergence for branches on the 'Tree of Life.'

Cockatoo Creates and Uses Tools
Topic: Origin & Evolution of Life
Summary: A cockatoo from a species not known to use tools in the wild has now been observed making and using tools.

Mammals Evolved for the Night Life
Topic: Origin & Evolution of Life
Summary: A new study suggests that mammalian eyes evolved for life in the dark. A nocturnal lifestyle may have helped them avoid predation by dinosaurs.

An Elephant That Speaks Korean
Topic: Origin & Evolution of Life
Summary: An Asian elephant can imitate human speech, speaking five words in Korean that can be understood by Korean speakers.

Vision Evolved Only Once in Animals?
Topic: Origin & Evolution of Life
Summary: A new study provides a detailed picture of how opsins evolved. Opsins are light-sensitive molecules found in photoreceptor cells of the retina.

A Visão Evoluiu Apenas Uma Vez em Animais?
Topic: Origin & Evolution of Life
Summary: Um novo estudo provém um retrato detalhado de como as opsinas evoluíram. Opsinas são moléculas sensíveis à luz encontradas em células fotorreceptoras da retina.

Did Bacteria Spark Evolution of Animals?
Topic: Origin & Evolution of Life
Summary: A new study indicates that bacteria may have helped kick off the leap from single celled organisms to multicellular organisms.

Protein Preservation in Dinosaur Bones
Topic: Origin & Evolution of Life
Summary: Researchers have discovered more evidence of preserved dinosaur proteins. Their findings support the case for preserved cells in ancient remains.

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