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PET brain scans from the same individual with early signs of Alzheimer’s disease comparing two tau radiotracers: flortaucipir, shown at top, and the investigational tracer MK6240, shown at bottom. Areas of pathological tau accumulation appear in red. The MK6240 scan shows more extensive tau buildup, suggesting that this tracer may detect Alzheimer’s-related brain changes that are less visible with the standard tracer.

Newer Brain Scan Spots Alzheimer’s Tau Years Before Symptoms, and Twice as Often

Conceptual illustration of the Atom Camera. A single ultracold rubidium (Rb) atom trapped in an optical tweezer is spatially scanned to visualize the intensity and polarization distributions of a light pattern.

Physicists Turn a Single Frozen Atom into a Camera That Sees Light Below the Diffraction Limit

nanofiber mesh between fingers of a gloved hand

A Tiny Drug-Loaded Mesh Implanted in the Brain Is Keeping Glioblastoma at Bay

Human Brain Organoids Are Learning to Play Video Games. That Is Only the Beginning.

Andreas Wallraff and Renato Renner (f.l.t.r.) next to the 30-meter link connecting two quantum chips. Using this experiment, ETH researchers generated certified perfect randomness for the first time.

Quantum Physicists Have Generated the First Mathematically Certified Perfect Random Numbers

The TET technique allows accurate thermal diffusivity/conductivity measurement for 1D/2D materials from mm to atomic scale.

A New Way to Take the Temperature of Materials Too Thin to See

hands holding sludgey waste embedded with raw matrials

Half of Europe’s Critical Metals Could Come From Recycling. Right Now Almost None of Them Do

glass of carbonated water

Solar Panels That Turn Seawater into Drinking Water Could Also Mine Lithium from the Ocean

Still from SNL sketch on at-home colon cancer screening

The Cancer Killing Young Adults Has a Simple Fix. Most People Are Not Using It.

Small Towns Are Vanishing From AI’s Imagination

A Chip Holding a Million Materials Could Rewrite How We Find the Stuff Our World Runs On

Human ear model printed in a gelatin-based resin using holographic VAM. 2026 LAPD EPFL CC BY SA

A Life-Size Human Ear, Printed in a Vial of Gel in Two Minutes

Network Watching Every Ocean Basin Is Closer to Collapse Than Anyone Realized

Study participants collected data about their moods and daily habits using a smartwatch and a phone app. Photo credit: iStock/BongkarnThanyakij

Machine Learning Matched the Right Lifestyle Fix to Each Depressed Patient, Doubling Remission Rates

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