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Is teasing playful or harmful? It depends on a number of factors

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Tomb more than 1,000 years old found in Panama

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Natural selection can work at many levels, from molecules to ecosystems

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Engineered nanoparticles could deliver better targeted cancer treatment to lymph nodes

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A trillionth of a second: How lasers may sharpen next-gen cryo-ET microscopy

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Metamaterial image sensor keeps colors clear even under oblique light

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Antarctic drilling peers deep into ice shelf's past

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Water is bed bugs' kryptonite: The parasites avoid wet surfaces at all costs

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From pets to precision medicine: Study finds striking parallels in feline and human cancers

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Cosmic curveball: Distant system challenges planet-formation theory

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Species on east–west coastlines are more likely to go extinct than those on north–south shores—new study

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158 giant tortoises reintroduced to a Galapagos island

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Do animals have a future on Hollywood sets?

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NASA moon rocket hit by new problem, putting March launch with astronauts in jeopardy

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Fish use more energy to stay still than previously thought

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Australian sea lion pups learn diving and foraging skills from their mothers

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2-month-olds see the world in a more complex way than scientists thought, study suggests

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These shy, scaly anteaters are the most trafficked mammals in the world

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NASA reveals new problem with Artemis II rocket, further delaying launch

23h
Scientific AmericanS

Algorithmic grading in class: What a study shows about extra student workload and privacy

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Greenland ice melt surges unprecedentedly amid warming

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Cosmologists collaborate to sharpen measurements of the Hubble constant

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Are one in 200 men really related to Genghis Khan? Maybe not, according to a new study

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For thousands of years, solar eclipses have been associated with the fate of rulers

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“Celtic curse” hotspots found in Scotland and Ireland with 1 in 54 at risk

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Mirror image pheromones help beetles 'swipe right' to find mates

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Earliest evidence of indigo-dyed textiles and single-needle knitting discovered in Bronze Age Anatolia

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Saturday Citations: A virus that makes its own proteins; a new Spinosaurus; exercise beats anxiety

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Scientists discover why high altitude protects against diabetes

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Q&A: Gas fermentation could be game changer for the circular economy

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New microscopy technique lets scientists see cells in unprecedented detail and color

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How your body senses cold—and why menthol feels cool

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Sometimes less is more: Messier nanoparticles may actually deliver drugs more effectively than tightly packed ones

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A low-cost microscope to study living cells in zero gravity

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How tuberculosis bacteria use a 'stealth' mechanism to evade the immune system

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A hidden reason inner ear cells die—and what it means for preventing hearing loss

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‘An AlphaFold 4’—scientists marvel at DeepMind drug spin-off’s exclusive new AI

1d
Scientific AmericanS

Why Winter Olympic medals broke and what the failure revealed

1d
Scientific AmericanS

This itch-triggering protein also sends signals to stop scratching

1d
Science NewsS

Ultramarathons may damage red blood cells and accelerate aging

1d

Scientists may have found the holy grail of quantum computing

1d

Finding the story

1d
Science NewsS

Anthropic’s safety-first AI collides with the Pentagon as Claude expands into autonomous agents

1d
Scientific AmericanS

Incredible image shows what 2026’s first solar eclipse looked like from space

1d
Scientific AmericanS

Generative AI analyzes medical data faster than human research teams

1d

James Webb Space Telescope captures strange magnetic forces warping Uranus

1d

NASA’s Hubble spots nearly invisible “ghost galaxy” made of 99% dark matter

1d

Common pneumonia bacterium may fuel Alzheimer’s disease

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How travel and dating apps are changing relationship rules for queer men

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Minnesota is falling short on its climate goals, new state data shows

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Entries updated Feb 22, 2026 07:35:38 AM PST

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