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image: How Do Cicadas Know When to Emerge?

How Do Cicadas Know When to Emerge?

By | May 29, 2013

Despite cicadas’ high profile, scientists still don’t fully understand when and why they decide it is time to mate.

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image: Macrophages Drive Regeneration

Macrophages Drive Regeneration

By | May 22, 2013

The activity of one type of immune cell helps regrow the limbs of amputated salamanders.

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image: New Guardians Against Diabetes?

New Guardians Against Diabetes?

By | May 20, 2013

A new class of immune cell could protect against type 1 diabetes by suppressing other immune cells.

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image: Dogs and Human Evolving Together

Dogs and Human Evolving Together

By | May 16, 2013

A sequencing study suggests that some genes have evolved in parallel in humans and their canine companions, likely as a result of shared selection pressures.

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image: Oldest Fossil of Ape Discovered

Oldest Fossil of Ape Discovered

By | May 15, 2013

Two new fossils of ancient primates shed light on the divergence of apes and Old World monkeys.

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image: Epigenetics of Embryonic Stem Cells

Epigenetics of Embryonic Stem Cells

By | May 14, 2013

Researchers track DNA modifications and gene expression in stem cells as they differentiate.

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image: Genome Digest

Genome Digest

By | May 7, 2013

What researchers are learning as they sequence, map, and decode species’ genomes

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In Chapter 4, “Darwin’s Barnacles, Agassiz’s Jellyfish,” author Christoph Irmscher describes his subject’s obsession with marine organisms.

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image: Flying Frog, 1855

Flying Frog, 1855

By | May 1, 2013

Alfred Russel Wallace, Darwin’s unheralded codiscoverer of the theory of evolution by natural selection, found inspiration in the specimens he collected on his travels.

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image: Gregory Sonnenberg: Cellular Spy

Gregory Sonnenberg: Cellular Spy

By | May 1, 2013

Research Associate, Perelman School of Medicine, University of Pennsylvania. Age: 27

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