Elena Renken

Contributing Writer

Latest Articles

Cells Blaze Their Own Trails to Navigate Through the Body

March 28, 2022

With self-generated gradients of chemicals and physical tension, cells in the body steer themselves to vital destinations.

Mathematical Analysis of Fruit Fly Wings Hints at Evolution’s Limits

September 20, 2021

A painstaking study of wing morphology shows both the striking uniformity of individuals in a species and a subtle pattern of linked variations that evolution can exploit.

Turing Patterns Turn Up in a Tiny Crystal

August 10, 2021

The mechanism behind leopard spots and zebra stripes also appears to explain the patterned growth of a bismuth crystal, extending Alan Turing’s 1952 idea to the atomic scale.

Neurons Unexpectedly Encode Information in the Timing of Their Firing

July 7, 2021

A temporal pattern of activity observed in human brains may explain how we can learn so quickly.

A Backdoor Lets the Immune System Monitor the Brain

April 28, 2021

A newfound hub of immune system activity at the back of the brain solves a century-old puzzle.

The Curious Strength of a Sea Sponge’s Glass Skeleton

January 11, 2021

A glass sponge found deep in the Pacific shows a remarkable ability to withstand compression and bending, on top of the sponge’s other unusual properties.

New Fish Data Reveal How Evolutionary Bursts Create Species

December 1, 2020

In three bursts of adaptive change, one species of cichlid fish in Lake Tanganyika gave rise to hundreds.

Brain Cell DNA Refolds Itself to Aid Memory Recall

November 2, 2020

Researchers see structural changes in genetic material that allow memories to strengthen when remembered.

Glial Brain Cells, Long in Neurons’ Shadow, Reveal Hidden Powers

January 27, 2020

The glial cells of the nervous system have been eclipsed in importance by neurons for decades. But glia are turning out to be central to many neurological functions, including pain perception.

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