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The Scientist

» Mars and developmental biology

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image: Instant Messaging

Instant Messaging

By | March 1, 2013

During development, communication between organs determines their relative final size.

2 Comments

image: Fellow Travelers

Fellow Travelers

By | February 1, 2013

Collective cell migration relies on a directional signal that comes from the moving cluster, rather than from external cues.

1 Comment

image: Go Forth, Cells

Go Forth, Cells

By | February 1, 2013

Watch the cell transplant experiments in zebrafish that suggest certain embryonic cells rely on intrinsic directional cues for collective migration.

0 Comments

image: 2012 Multimedia Roundup

2012 Multimedia Roundup

By | December 14, 2012

The science images and videos that captured our attention in 2012

1 Comment

image: Signs of Life on Mars?

Signs of Life on Mars?

By | December 4, 2012

Tests run on Martian soil samples indicate the presence of organic compounds, but the traces of carbon may or may not have come from once-living things.

2 Comments

image: The Martian Tempest

The Martian Tempest

By | November 26, 2012

NASA scientists are closely watching a dust storm on Mars that threatens to go global and interfere with rovers on the planet’s surface.

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image: With No Methane, Life on Mars Unlikely

With No Methane, Life on Mars Unlikely

By | November 7, 2012

Hopes of finding life on the Red Planet have been deflated after NASA announced that Curiosity has yet to detect notable amounts of methane in the Martian atmosphere.

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image: Coming to Terms

Coming to Terms

By | November 1, 2012

New noninvasive methods of selecting the most viable embryo could revolutionize in vitro fertilization.

11 Comments

image: Contributors

Contributors

By | November 1, 2012

Meet some of the people featured in the November 2012 issue of The Scientist.

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image: Exit Strategy

Exit Strategy

By | November 1, 2012

Large RNA-protein packets use a novel mechanism to escape the cell nucleus.

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