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Abstractions blog

What a Newfound Kingdom Means for the Tree of Life

Neither animal, plant, fungus nor familiar protozoan, a strange microbe that sits in its own “supra-kingdom” of life foretells incredible biodiversity yet to be discovered by new sequencing technologies.

Art for "In the Universe of Equations, Virtually All Are Prime"
number theory

In the Universe of Equations, Virtually All Are Prime

Equations, like numbers, cannot always be split into simpler elements.

Abstractions blog

Why Black Hole Interiors Grow (Almost) Forever

The renowned physicist Leonard Susskind has identified a possible quantum origin for the ever-growing volume of black holes.

Martin Rees, Baron Rees of Ludlow, at his home in Cambridge, England.
Q&A

On the Best Use of Science to Safeguard Humanity

For 50 years, the astrophysicist Martin Rees has contributed to our understanding of cosmology. Now he is speaking up about the promise and potential dangers of the science and technology that will arrive over the next 50 years and beyond.

Abstractions blog

What Defines a Stem Cell? Scientists Rethink the Answer

As it becomes clear that the body’s cells have more diverse regenerative capabilities than expected, experts have had to reconsider their approach to stem cell research.

Art for "New Quantum Paradox Clarifies Where Reality Goes Wrong"
quantum mechanics

New Quantum Paradox Clarifies Where Our Views of Reality Go Wrong

The Frauchiger-Renner thought experiment has shaken up the world of quantum foundations.

Art for "Biology and Computer Science Explore Algorithmic Evolution"
mathematical biology

Mathematical Simplicity May Drive Evolution’s Speed

Some researchers are using a complexity framework thought to be purely theoretical to understand evolutionary dynamics in biological and computational systems.

geophysics

A Universal Law for the ‘Blood of the Earth’

Simple physical principles can be used to describe how rivers grow everywhere from Florida to Mars.

Photo of Tadashi Tokieda
Q&A

A Collector of Math and Physics Surprises

Tadashi Tokieda discovers new physical phenomena by looking at the everyday world with the eyes of a child.