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Jordana Cepelewicz

Senior Writer

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Latest Articles

Photo of the female penis structure of the cave insect Neotrogla aurora.
Abstractions blog

Why Evolution Reversed These Insects’ Sex Organs

By Jordana Cepelewicz
January 30, 2019
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Among these cave insects, the females evolved to have penises — twice. The reasons challenge common assumptions about sex.

Abstractions blog

Gene Drives Work in Mice (if They’re Female)

By John Rennie +1 authors
Jordana Cepelewicz
January 23, 2019
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Biologists have demonstrated for the first time that a controversial genetic engineering technology works, with caveats, in mammals.

Art for "The Brain Maps Out Ideas and Memories Like Spaces"
neuroscience

The Brain Maps Out Ideas and Memories Like Spaces

By Jordana Cepelewicz
January 14, 2019
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Emerging evidence suggests that the brain encodes abstract knowledge in the same way that it represents positions in space, which hints at a more universal theory of cognition.

Abstractions blog

What Defines a Stem Cell? Scientists Rethink the Answer

By Jordana Cepelewicz
December 4, 2018
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As it becomes clear that the body’s cells have more diverse regenerative capabilities than expected, experts have had to reconsider their approach to stem cell research.

Art for "Biology and Computer Science Explore Algorithmic Evolution"
mathematical biology

Mathematical Simplicity May Drive Evolution’s Speed

By Jordana Cepelewicz
November 29, 2018
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Some researchers are using a complexity framework thought to be purely theoretical to understand evolutionary dynamics in biological and computational systems.

Art for "In the Nucleus, Genes’ Activity Might Depend on Their Position"
cell biology

In the Nucleus, Genes’ Activity Might Depend on Their Location

By Jordana Cepelewicz
November 6, 2018
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Using a new CRISPR-based technique, researchers are examining how the position of DNA within the nucleus affects gene expression and cell function.

Art for "Scientists Learn the Ropes on Tying Molecular Knots"
chemistry

Scientists Learn the Ropes on Tying Molecular Knots

By Jordana Cepelewicz
October 29, 2018
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As chemists tie the most complicated molecular knot yet, biophysicists create a “periodic table” that describes what kinds of knots are possible.

Photo of Renee Reijo Pera
Q&A

In the Ticking of the Embryonic Clock, She Finds Answers

By Jordana Cepelewicz
October 15, 2018
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Renee Reijo Pera has spent decades uncovering how the timing of embryonic development contributes to health and disease.

EMBRYO TAIL IN TRANSITION
Abstractions blog

‘Traffic Jams’ of Cells Help to Sculpt Embryos

By Jordana Cepelewicz
September 27, 2018
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By measuring mechanical forces inside an embryo for the first time, researchers have shown how a physical “jamming” mechanism assists development.


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