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cell biology

An illustration in which a capsule-shaped drug imprinted with circuit-board diagrams blasts nearby bacteria.
artificial intelligence

Machine Learning Takes On Antibiotic Resistance

March 9, 2020

To combat resistant bacteria and refill the trickling antibiotic pipeline, scientists are getting help from deep learning networks.

Spindly green star-shaped cells against a black background.
Abstractions blog

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.

A nearly homogeneous field of yellow cytoplasm spontaneously compartmentalizes itself into clumps around the dots of nuclei.
Abstractions blog

Unscrambled Eggs: Self-Organization Restores Cells’ Order

January 2, 2020

To scientists’ surprise, blended mixtures of cytoplasm can reorganize themselves into cell-like compartments with working structural components.

Art for "Quanta’s Year in Biology (2019)"
2019 in Review

The Year in Biology

December 23, 2019

Researchers explored the zone between life and death, charted the mind’s system for arranging ideas and memories and learned how life’s complexity emerged.

Lungs made from a collection of “tasting” tongues.
immunology

Cells That ‘Taste’ Danger Set Off Immune Responses

November 15, 2019

Taste and smell receptors in unexpected organs monitor the state of the body’s natural microbial health and raise an alarm over invading parasites.

Climbing up the side of a high mountain peak.
Abstractions blog

Nobel Prize Awarded for Discoveries on How Cells Adapt to Oxygen

October 7, 2019

The 2019 Nobel Prize in Physiology or Medicine honored William Kaelin Jr., Peter Ratcliffe and Gregg Semenza for their work on elucidating how cells adjust to low oxygen levels.

Illustration of DNA that combines elements of mealybug and bacterial imagery.
evolution

Cell-Bacteria Mergers Offer Clues to How Organelles Evolved

October 3, 2019

Cells in symbiotic partnership, sometimes nested one within the other and functioning like organelles, can borrow from their host’s genes to complete their own metabolic pathways.

An illustration that shows a fanciful view of cells in terms of electrical circuitry.
synthetic biology

Math Reveals the Secrets of Cells’ Feedback Circuitry

September 18, 2019

Maintaining perfect stability through negative feedback is a basic element of electrical circuitry, but it’s been a mystery how cells could do it — until now.

cell biology

Bacterial Clones Show Surprising Individuality

September 4, 2019

Genetically identical bacteria should all be the same, but in fact, the cells are stubbornly varied individuals.