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Sponge Genes Hint at the Origins of Neurons and Other Cells

November 4, 2021

A new study of gene expression in sponges reveals the complex diversity of their cells as well as some possibly ancient connections between the nervous, immune and digestive systems.

Researchers Revise Recipe for Building a Rocky Planet Like Earth

November 3, 2021

Over the past decade, researchers have completely rewritten the story of how gas giants such as Jupiter and Saturn form. They’re now debating whether the same process might hold for Earth.

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Her Machine Learning Tools Pull Insights From Cell Images

November 2, 2021

The computational biologist Anne Carpenter creates software that brings the power of machine learning to researchers seeking answers in mountains of cell images.

Surprising Limits Discovered in Quest for Optimal Solutions

November 1, 2021

Algorithms that zero in on solutions to optimization problems are the beating heart of machine reasoning. New results reveal surprising limits.

Is the Great Neutrino Puzzle Pointing to Multiple Missing Particles?

October 28, 2021

Years of conflicting neutrino measurements have led physicists to propose a “dark sector” of invisible particles — one that could simultaneously explain dark matter, the puzzling expansion of the universe, and other mysteries.

Where Transcendental Numbers Hide in Everyday Math

October 27, 2021

The transcendental number π is as familiar as it is ubiquitous, but how does Euler’s number e transcend the ordinary?

How Tadayuki Watanabe Disproved a Major Conjecture About Spheres

October 26, 2021

Watanabe invented a new way of distinguishing shapes on his way to solving the last open case of the Smale conjecture, a central question in topology about symmetries of the sphere.

An Ultra-Precise Clock Links the Quantum World With Gravity

October 25, 2021

Time was found to flow differently between the top and bottom of a single cloud of atoms. Physicists hope that such a system will one day help them combine quantum mechanics and Einstein’s theory of gravity.

The Brain Processes Speech in Parallel With Other Sounds

October 21, 2021

Scientists thought that the brain’s hearing centers might just process speech along with other sounds. But new work suggests that speech gets some special treatment very early on.

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