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neural networks

Animation of a neuron that periodically alters its responses to stimuli when it is reset into a new state by another input.
neural networks

Artificial Neural Nets Finally Yield Clues to How Brains Learn

February 18, 2021

The learning algorithm that enables the runaway success of deep neural networks doesn’t work in biological brains, but researchers are finding alternatives that could.

2020 in Review

The Year in Biology

December 23, 2020

While the study of the SARS-CoV-2 virus was the most urgent priority, biologists also learned more about how brains process information, how to define individuality and why sleep deprivation kills.

Yarn models of a deep learning network and a brain.

Deep Neural Networks Help to Explain Living Brains

October 28, 2020

Deep neural networks, often criticized as “black boxes,” are helping neuroscientists understand the organization of living brains.

Photo of students sitting at desks competing in the International Mathematical Olympiad
Abstractions blog

At the Math Olympiad, Computers Prepare to Go for the Gold

September 21, 2020

Computer scientists are trying to build an AI system that can win a gold medal at the world’s premier math competition.

Illustration of a robot and a human furiously doing math next to each other
artificial intelligence

How Close Are Computers to Automating Mathematical Reasoning?

August 27, 2020

AI tools are shaping next-generation theorem provers, and with them the relationship between math and machine.

Illustration of a robot translating calculus into branching, tree-like structures
artificial intelligence

Symbolic Mathematics Finally Yields to Neural Networks

May 20, 2020

After translating some of math’s complicated equations, researchers have created an AI system that they hope will answer even bigger questions.

artificial intelligence

Common Sense Comes Closer to Computers

April 30, 2020

The problem of common-sense reasoning has plagued the field of artificial intelligence for over 50 years. Now a new approach, borrowing from two disparate lines of thinking, has made important progress.

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.

An AI genie turning a home into a jungle.
artificial intelligence

Artificial Intelligence Will Do What We Ask. That’s a Problem.

January 30, 2020

By teaching machines to understand our true desires, one scientist hopes to avoid the potentially disastrous consequences of having them do what we command.