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The 60-Year Addition Problem That Fell to a Graduate Student
Oxford student Benjamin Bedert solves a 60-year-old Erdős conjecture about sum-free sets, revealing hidden structure in the simplest arithmetic.
Earth's Ghost Moons: The Dust Clouds That Took 57 Years to Confirm
Kordylewski dust clouds, Earth's faint ghost moons at the Moon's L4 and L5 points, took 57 years and polarized light to finally confirm.
PFAS: The Indestructible Chemicals in Your Blood
PFAS forever chemicals persist in blood and the environment indefinitely. How DuPont and 3M concealed the risks, and what new regulations mean for...
The Andromeda Paradox Shows That "Now" Is a Local Illusion
Is the future already written? Physicist Sabine Hossenfelder tackles the mind-bending Andromeda Paradox that challenges our understanding of time.
Warp Drive Physics: The Loophole That Survived Thirty Years
Is a warp drive possible? After 30 years stuck on impossible negative energy, physicists found a slower loophole built from real, known physics.
The Physicist Who Gave Gravity Mass
Claudia de Rham proved the graviton can have mass, defying decades of no-go theorems. Her dRGT model could explain why vacuum energy does...
The Five Layers of Earth's Atmosphere, From Weather to the Edge of Space
Atmospheric layers shield the planet from weather to the edge of space. See how Earth's five layers work, and why scientists still study...
The Muon g-2 Anomaly That Wasn't
Muon g-2 final result from Fermilab achieves 127 ppb precision, but a revised Standard Model prediction using lattice QCD closes the gap. The...
The Simplest Equation Nobody Can Solve
The Mandelbrot set equation z² + c fits on a napkin, yet its fractal boundary has defied mathematicians for 40 years. Here is...
The Ring That Shouldn't Exist
Large scale structure in the universe keeps breaking the rules. The Big Ring, a 1.3-billion-light-year formation, is one of seven structures that challenge...
