Science Discoveries
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6PPD-Quinone Linked to Coho Salmon Deaths in Urban Streams
SEATTLE, July 7 — The figure that matters: 0.8 micrograms per liter. That is the lethal concentration of…
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Toxic Tire Chemical 6PPD-Q Threatens Coho Salmon Survival
SEATTLE — On the surface of a worn tire, a chemical transformation is underway, and researchers say it…
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NOAA Scientist Murphy Finds Satellite Aluminum in Stratosphere
BOULDER, July 7 — On a clear Colorado morning, Daniel Murphy walks into his office at the National…
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Satellite burn-up creates aluminum oxides, depleting ozone layer
WASHINGTON, July 7 — The orbital economy is leaving a lasting chemical footprint in the upper atmosphere, and…
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What Happens Next: Research Steps and Regulatory Implications
WASHINGTON — The Environmental Protection Agency is reviewing the tire chemical 6PPD-quinone under the Toxic Substances Control Act,…
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Scientists solve 30-year-old molecular mystery of rye pollen compounds
EVANSTON, July 7 — A pair of molecules first glimpsed in rye pollen nearly three decades ago have…
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Tire pollution emerges as major source of microplastic contamination
PORTLAND, July 7 — The rubber dust that scatters across every highway, every city street, every driveway in…
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Historical Context: From Salmon Die-Offs to Human Health Concerns
SEATTLE, July 7 — The chemical 6PPD-quinone, a tire-wash toxin that has been linked to coho salmon die-offs…
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Satellite Vaporization Risks Ozone Depletion, Atmospheric Changes
WASHINGTON, July 7 — The prospect of thousands of satellites burning up in Earth’s atmosphere is raising fresh…
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Halley’s Comet, Disposable Cameras and the 1986 Yen Impact
TOKYO, July 6 — For a nation that once watched Halley’s Comet streak across the sky with the…
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Ultra-Black Coating Absorbs Light by Reducing Reflectivity
SINGAPORE, July 6 — A new ultra-black coating, designed to survive the punishing environment of space, is set…
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Preserving Night Sky: Human Impact on Cultural, Scientific Heritage
FLAGSTAFF, Ariz., July 6 — The dark-sky movement is gaining fresh attention as satellite constellations continue to multiply…
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Rudolf Diesel’s 1892 Patent Revolutionized Engineering
AUGSBURG, July 6 — The diesel engine turned over a century old this week, and the mechanics of…
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Rudolf Diesel’s Engine: A Century of Innovation and Mystery
PARIS, July 6 — On a late summer evening in 1913, Rudolf Diesel boarded the steamship Dresden in…
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How Nuclear Fusion Works: The Science of Recreating a Star on Earth
WASHINGTON, July 6 — The race to harness the power of the stars is entering a new phase,…
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John Preskill coined ‘quantum supremacy’ and explored quantum complexity
PASADENA, July 6 — John Preskill, the American theoretical physicist who gave the field of quantum computing its…
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Quantum Mechanics Powers Computing via Qubits and Entanglement
NEW YORK, July 6 — The qubit is the basic unit of quantum information, and it works nothing…
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Google’s Quantum Supremacy Claim Still Fuels Scientific Debate
WASHINGTON, July 6 — A 2019 claim by Google that its Sycamore processor had achieved quantum supremacy remains…
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Satellite Internet vs. Night Sky: Science, Culture at Stake
ISLAMABAD, July 6 — Satellite constellations promise to connect the world’s most remote communities to the internet, but…
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Hummingbird Decline Tied to Habitat Loss, Pesticides, Climate Change
BOULDER, Colo., July 5 — The question is popping up on backyard birding forums and neighborhood social media…
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New Analysis Shows Bald Eagles Follow Open Water, Not Warmth
For anyone who has watched a local bald eagle pair raise chicks through a spring and summer, winter…
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Hummingbirds May Be Relocating, Not Vanishing, Colorado Study Finds
BOULDER, Colo. — The hummingbird that zips through your backyard might not be gone forever. It might just…
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Sugar Gliders Cannot Fly; Researchers Explain Their Precise Gliding Mechanics
New York, July 5 — The first thing to understand about a Sugar Glider is what it cannot…
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Biologists Clarify: Sugar Gliders Glide, They Do Not Truly Fly
Gliding vs. Flight: What Sugar Gliders Teach Us About Animal Movement NEW YORK — The Sugar Glider does…
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