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Scientific American

Vaccines for Bundibugyo Ebola virus outbreak are being developed, but none are ready yet

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NASA’s Psyche captures gorgeous Mars crescent photo on way to asteroid

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The Colorado Avalanche is dominating the NHL—Denver’s high elevation could be the reason

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NASA’s plan for a nuclear reactor on the moon could change space exploration forever—if it works

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Did the last common ancestor of humans and apes walk like a gorilla? A new study offers a clue

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Extreme heat is breaking records in the East. Here’s why

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The U.S. just experienced its hottest 12 months on record

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SpaceX punts Starship V3 launch to May 21 as investigation opens into Starbase worker’s death

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What it’s like being stuck in a hantavirus quarantine for six weeks

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‘Sensational’ proof topples decades-old geometry problem

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New NASA Hubble image captures a rare, turbulent galaxy

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Scientists race to develop Ebola drugs as outbreak surges

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Math puzzle: Fix the matchstick equation

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Female beast hunters battled leopards in ancient Rome

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Which problems will quantum computers solve—and when?

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The Riemann hypothesis is a million-dollar math problem hardly anyone is trying to solve

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Science crossword: At the same time

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Readers respond to the February 2026 issue

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Quantum computing is reaching its make-or-break moment

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Poem: ‘Horseshoe Crab’

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New ways to keep from losing muscle on Ozempic

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New high‑resolution map transforms what we know about Roman roads and the Roman Empire

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NASA dreams of a nuclear power plant on the moon. Here’s why

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June 2026: Science history from 50, 100 and 150 years ago

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How commercial satellites are changing modern warfare

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Helion Energy is building a fusion power plant. Can its technology deliver?

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A real quantum leap

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A field guide to quantum computer qubits

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A lamp flickering on and off inspires the math mystery of Thomson's lamp

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Ebola outbreak triggers U.S. ban on travelers from three African nations

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How scientists developed a hantavirus PCR test in a weekend

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Hidden copy of the oldest known poem in the English language leaves researchers ‘speechless’

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The world is less prepared for a pandemic than before COVID. Here’s why

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See a Lincoln Memorial-sized asteroid pass within just 56,000 miles of Earth today

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Trump administration ousts top NIH infectious disease leaders

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The programmer whose code underpins the Internet

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How marijuana rewires the teenage brain

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Hantavirus cruise ship, PCOS name change, a fish that hides in another animal’s ‘butthole’

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Did Homo erectus and Denisovans mate? Tooth proteins hint at ancient trysts

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This small rodent is at the center of theories about the hantavirus outbreak

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These ants navigate with a compass tuned to the moon

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NASA reveals new clues to 2027’s Artemis III, the final test mission before a moon landing

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Scientists catalog the ‘fractal dimensions’ of more than 130,000 islands

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Hantavirus can persist in semen for years, but that doesn’t mean it remains contagious

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A real Mr. Snuffleupagus? Meet the ocean’s strangest new fish species

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This startup wants to make drugs in orbit. If it succeeds, it could transform the space economy

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How to arm yourself against hantavirus misinformation

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Can plants have consciousness? The film Silent Friend reimagines the science

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Asking AI to explain your medical results? What doctors want you to know

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Are astronomers ignoring some of the cosmos?

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