Jordana Cepelewicz

Staff Writer

artificial intelligence

Where We See Shapes, AI Sees Textures

July 1, 2019

To researchers’ surprise, deep learning vision algorithms often fail at classifying images because they mostly take cues from textures, not shapes.

Art for "Bacterial Complexity Revises Ideas About ‘Which Came First?’"
cell biology

Bacterial Complexity Revises Ideas About ‘Which Came First?’

June 12, 2019

Contrary to popular belief, bacteria have organelles too. Scientists are now studying them for insights into how complex cells evolved.

Colorized scanning electron micrograph of a T lymphocyte.
Abstractions blog

Immune Cells Measure Time to Identify Foreign Proteins

June 3, 2019

Immunologists confirm an old hunch: T-cells identify what belongs in the body by timing how long they can bind to it.

Art for "Brains Speed Up Perception by Guessing What’s Next"

Brains Speed Up Perception by Guessing What’s Next

May 2, 2019

Your expectations shape and quicken your perceptions. A new model that explains how that happens also suggests it’s time to update theories about sensory perception and decision making.

Art for "New Turmoil Over Weighing Genes’ Share of Complex Traits"

New Turmoil Over Predicting the Effects of Genes

April 23, 2019

Promising efforts at disentangling the effects of genes and the environment on complicated traits may have been confounded by statistical problems.

Art for "Goals and Rewards Rewrite the Brain’s Map of the World"
Abstractions blog

Goals and Rewards Redraw the Brain’s Map of the World

March 28, 2019

Two new studies show that the brain’s navigation system changes how it represents physical space to reflect personal experience.

Art for "The Math That Tells Cells What They Are"
mathematical biology

The Math That Tells Cells What They Are

March 13, 2019

During development, cells seem to decode their fate through optimal information processing, which could hint at a more general principle of life.

Abstractions blog

Smarter Parts Make Collective Systems Too Stubborn

February 26, 2019

As researchers delve deeper into the behavior of decentralized collective systems, they’re beginning to question some of their initial assumptions.

Art for "How the Brain Creates a Timeline of the Past"

How the Brain Creates a Timeline of the Past

February 12, 2019

The brain can’t directly encode the passage of time, but recent work hints at a workaround for putting timestamps on memories of events.