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modern home with For Sale sign in front

Pandemic Loan Fraud Helped Push Up US House Prices, and Ordinary Buyers Paid for It

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

A student looks at his phone in the Student Innovation Center at Iowa State University.

Governments Are Banning Teens from Social Media Without Any Evidence It Will Help

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

Lab mouse.

The Brain Circuit That Decides Where One Memory Ends and the Next Begins

eldery man and woman hugging

Alzheimer’s Follows Three Distinct Paths, and Scientists Are Starting to Tell Them Apart

A mini version of the connected human brain and spinal cord system created in the lab.

A Contraceptive Drug May Help Reverse Nerve Damage Once Thought Permanent

nanofiber mesh between fingers of a gloved hand

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

Dirty Water Is Now Generating Electricity and Cleaning Itself

Teacher looking at class

Young Children Can Read Human Eyes for Hidden Desires. A Robot’s Gaze Tells Them Nothing.

A split image showing an active Sun during solar maximum (on the left, taken in 2014) and a quiet Sun during solar minimum (on the right, taken in 2019).

The Sun Is Squeezing Its Magnetic Activity Toward the Surface and Nobody Knows Why

man grasping painful knee

The Molecule Our Own Cells Make That Could Finally Help Treat Drug-Resistant Rheumatoid Arthritis

teen boy in jeans jacket

The Youth Mental Health Crisis Has a Deeper Cause Than Social Media

Crops in a field

How Scientists Gave Ordinary Soil Bacteria the Ability to Fix Nitrogen from the Air

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