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Refractive-index microscope measures a sample's optical properties with pinpoint accuracy

Scientists develop high-performance Hg-based crystal for mid-far infrared birefringence

Rescheduling marijuana would be a big tax break for legal cannabis businesses, and a quiet form of deregulation

Collective intelligence: How to incentivize problem solving in groups

How plants respond to changing environments for better reproductive success

Another Arctic blast bears down on US as snow cleanup drags on

Photocatalysis enables direct coupling of native sugars and N-heteroarenes

Flying gurnard grunts and flares fins to communicate, camera study confirms

Why termite kings and queens are monogamous: Scientists uncover surprising answer

What ice-fishing competitions reveal about human decision-making

AI models retrace evolution of genetic control elements in the brain

Caribbean heat waves intensify over five decades, study finds

Learning about happiness could improve economics education

From metabolism to disease: Mitochondria's hidden signaling networks unveiled

'Jerk' volcano early warning method uses single seismometer to detect magma movement

Novel quantum refrigerator benefits from problematic noise

Hidden toxin risks during nutrient-starved algal blooms uncovered

Biodegradable bark–plastic composite lets engineers predict product lifetime from tensile tests

Male or female? How one frog gene 'hijacked' sex determination about 20 million years ago

How mining legacy dust leaves a uranium fingerprint in children's hair

Did a tsunami hit the Bristol Channel four centuries ago? Revisiting the great flood of 1607

Rethinking Troy: How years of careful peace, not epic war, shaped this bronze age city

Welcome to the 'Homogenocene': How humans are making the world's wildlife dangerously samey

EPA's new way of evaluating pollution rules hands deregulators a license to ignore public health

Gravitational wave signal tests Einstein's theory of general relativity

Weakening the soy moratorium in Brazil: A political choice that ignores the science

Pubs are far more valuable to society than the tax they pay

King's Trough: How a shifting plate boundary and hot mantle material shaped an Atlantic mega-canyon

Crosstalk inside cells helps pathogens evade drugs, study finds

2D discrete time crystals realized on a quantum computer for the first time

Climate change is reshaping how companies do business

Cleaner ship fuel changed clouds, but not their climate balance

Map shows the far-flung places Colorado's wolves traveled in the past month

Burning satellites in the stratosphere: Emerging questions for climate

Men are embracing beauty culture—many of them just refuse to call it that

Is time a fundamental part of reality? A quiet revolution in physics suggests not

The first headbutting paravian: Bird-like dinosaur likely used thick skull to win over mates

AI enables a who's who of brown bears in Alaska

ICE not only looks and acts like a paramilitary force—it is one, and that makes it harder to curb

What is extremism, and how do we decide?

Submarine mountains and long-distance waves stir the deepest parts of the ocean

Will killing dingoes on K'gari make visitors safer? We think it's unlikely

Svalbard polar bears show improved fat reserves despite sea ice loss

Self-employed working hours return to pre-COVID levels after five year slump

New white paper offers actions for managing trauma in the workplace

Wetlands do not need to be flooded to provide the greatest climate benefit, shows study

How tree rings help scientists understand disruptive extreme solar storms

Fossilized plankton study gives long-term hope for oxygen-depleted oceans

Living and working under the sea fills aquanauts with wonder and awe—the phenomenon is called the 'underview effect'

'Pesticide cocktails' pollute apples across Europe: Study