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Simpler Math Predicts How Close Ecosystems Are to Collapse

March 6, 2023

By replacing thousands of equations with just one, ecology modelers can more accurately assess how close fragile environments are to a disastrous “tipping point.”

In Neural Networks, Unbreakable Locks Can Hide Invisible Doors

March 2, 2023

Cryptographers have shown how perfect security can undermine machine learning models.

Q&A

An Applied Mathematician With an Unexpected Toolbox

March 1, 2023

Lek-Heng Lim uses tools from algebra, geometry and topology to answer questions in machine learning.

How Loneliness Reshapes the Brain

February 28, 2023

Feelings of loneliness prompt changes in the brain that further isolate people from social contact.

Strange Solar Gamma Rays Discovered at Even Higher Energies

February 27, 2023

There appear to be too many gamma rays coming from the sun. New higher-energy measurements reveal that this excess continues for a bit, then disappears — a cutoff that could help clarify what’s going on.

Can Our Brains Be Taken Over?

February 23, 2023

Several real-life pathogens can change a host’s behavior against their will. Here’s what we know about these zombie-like infections.

Physicists Use Quantum Mechanics to Pull Energy out of Nothing

February 22, 2023

The quantum energy teleportation protocol was proposed in 2008 and largely ignored. Now two independent experiments have shown that it works.

How Will the Universe End?

February 22, 2023

Big Freeze, Big Rip, Big Crunch, Bounce or vacuum decay? Steven Strogatz speaks with theoretical cosmologist Katie Mack about the five ways that scientists think the universe could come to an end.

With Nothing to Eat Except Viruses, Some Microbes Thrive

February 21, 2023

“Virovores” — organisms that survive and multiply by eating viruses — might influence the flow of energy through ecosystems.

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