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UCLA

Two elk stand near a roadway in the Rocky Mountains.

Is it safe? Why some animals fear using wildlife crossings

UCLA
Categories Life & Non-humans

Gut bacteria may contribute to susceptibility to HIV infection

UCLA
Categories Health
Slices of mini–brain organoids with neural stem cells (red) and cortical neurons (green).

Making lab-grown brain organoids ‘brainier’

UCLA
Categories Brain & Behavior
A diffractive camera design performs class-specific imaging of target objects with instantaneous all-optical erasure of other classes of objects. This diffractive camera consists of transmissive surfaces structured using deep learning to perform selective imaging of target classes of objects positioned at its input field-of-view. Using the same framework, the authors also demonstrated the design of class-specific permutation and class-specific linear transformation cameras, where the objects of a target data class are pixel-wise permuted or linearly transformed following an arbitrarily selected transformation matrix for all-optical class-specific encryption, while the other classes of objects are irreversibly erased from the output image. The success of class-specific diffractive cameras was experimentally demonstrated using terahertz (THz) waves and 3D-printed diffractive layers that selectively imaged only one class (2) of the MNIST handwritten digit dataset, all-optically erasing the other handwritten digits.

AI-designed camera only records objects of interest while being blind to others

UCLA
Categories Technology

Fixed vial sizes for Alzheimer’s drug could waste $605M in Medicare spending each year

UCLA
Categories Health, Social Sciences
Brain mystery illustration

HIV drug could combat middle-aged memory loss

UCLA
Categories Brain & Behavior, Health
The study’s findings are timely in light of medical schools’ increasing emphasis on health equity, including a push to ensure greater diversity among physicians in the workforce.

Affirmative action bans had ‘devastating impact’ on diversity in medical schools

UCLA
Categories Health, Social Sciences
Covid virus illustration

About 30% of COVID patients develop “Long COVID,” UCLA research finds

UCLA
Categories Health
Sequence showing how the nucleus of Comet C/2014 UN271 (Bernardinelli-Bernstein) was isolated from a vast shell of dust and gas surrounding the solid icy nucleus.

Enormous, ancient relic from early solar system heading our way

UCLA
Categories Space

Tomato concentrate could help reduce chronic intestinal inflammation associated with HIV

UCLA
Categories Health

How much do students learn when they double the speed of their class videos?

UCLA
Categories Brain & Behavior, Technology

Southern California mountain lions show first reproductive effects of inbreeding

UCLA
Categories Life & Non-humans
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