Matter and Its Interactions
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PhysicsScientists Say: Neutron
Neutrons are one of the main building blocks of atoms and have no electric charge.
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Materials ScienceThese fabrics change color as they stretch
Stretchy, color-shifting cloth may lead to new art, fashions and sensors. A century-old Nobel-prize-winning invention served as its inspiration.
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PhysicsExplainer: What are the different states of matter?
Most people know solids, liquids and gases — but what about the four other states of matter?
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AnimalsSea creatures’ fishy scent protects them from deep-sea high pressures
TMAO’s water-wrangling ability protects a critter’s critical proteins — including muscle — from crushing under deep ocean pressures.
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PhysicsCosmic timeline: What’s happened since the Big Bang
Energy, mass and the cosmos' structure evolved a lot over the past 13.82 billion years — much of it within just the first second.
By Trisha Muro -
LifeLet’s learn about modern Frankensteins
Modern scientists are creating strange new combinations of living tissue and trying to give dead things new life.
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ChemistryLego-like way to snap molecules together wins 2022 chemistry Nobel
This so-called ‘click chemistry’ allows scientists to build complex molecules in the lab and in living cells.
By Meghan Rosen and Nikk Ogasa -
PhysicsExperiments on ‘entangled’ quantum particles won the physics Nobel Prize
Three pioneers in quantum physics share the 2022 Nobel Prize in physics.
By James R. Riordon and Maria Temming -
EarthNot one, but two asteroids might have ended the age of dinosaurs
A craterlike structure found off the coast of West Africa might have been formed by an asteroid that struck around the time dinosaurs went extinct.
By Nikk Ogasa -
ChemistryNo trees were harmed to 3-D print this piece of wood
How clever! Scientists used print-speed adjustments to control how flat, 3-D printed shapes morph into complex wooden objects.
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Materials ScienceLaser light transformed plastic into tiny diamonds
The technique could be used to make nanodiamonds for quantum devices and other technology.
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ChemistryNew meat-scented food flavoring comes from sugar — and mealworms
Insects could become a protein-rich part of the human diet. This new research aims to help people get past the ick of eating insects.
By Anil Oza