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Abstractions blog

Illustration of a bowl of dark energy on a weighing scale
Abstractions blog

Why the Tiny Weight of Empty Space Is Such a Huge Mystery

The amount of energy infusing empty space seems too small to explain without a multiverse. But physicists have at least one alternative left to explore.

Lede photo of a giant virus under a microscope
Abstractions blog

New Giant Viruses Further Blur the Definition of Life

A newfound pair of giant viruses have massive genomes and the most complete resources for building proteins ever seen in the viral world. They have refreshed the debate about the origins of these cellular parasites.

520px photo of army ants forming a bridge
Abstractions blog

The Simple Algorithm That Ants Use to Build Bridges

Even with no one in charge, army ants work collectively to build bridges out of their bodies. New research reveals the simple rules that lead to such complex group behavior.

520px photo of phytoplankton
Abstractions blog

Evolution Saves Species From ‘Kill the Winner’ Disasters

Modelers find evidence that a combination of competition, predation and evolution will push ecosystems toward species diversity anywhere in the universe.

520px photo of lit neurons
Abstractions blog

With Strategic Zaps to the Brain, Scientists Boost Memory

Stimulating part of the cortex as needed during learning tasks improves later recall. The finding reveals more about the brain’s memory network and points toward possible therapies.

520px 3D illustration of tissue curling
Abstractions blog

Tissue Engineers Hack Life’s Code for 3-D Folded Shapes

Mechanical tension between tethered cells cues developing tissues to fold. Researchers can now program synthetic tissue to make coils, cubes and rippling plates.

Photo of smoke
Abstractions blog

What Makes the Hardest Equations in Physics So Difficult?

The Navier-Stokes equations describe simple, everyday phenomena, like water flowing from a garden hose, yet they provide a million-dollar mathematical challenge.

Aribidopsis thaliana inflorescence
Abstractions blog

With ‘Downsized’ DNA, Flowering Plants Took Over the World

Compact genomes and tiny cells gave flowering plants an edge over competing flora. This discovery hints at a broader evolutionary principle.

M theory and its six components
Abstractions blog

Why Is M-Theory the Leading Candidate for Theory of Everything?

The mother of all string theories passes a litmus test that, so far, no other candidate theory of quantum gravity has been able to match.