A little more than a year ago, on a trip to Nairobi, Kenya, some colleagues and I met a 12-year-old Masai boy named Richard Turere, who told us a fascinating story. His family raises livestock on the ...

That yellow face paint from last Halloween might seem like the perfect finishing touch for this year’s costume — especially if it’s been sitting unused in your drawer since your Pac-Man debut. But ...

Abstract: Subtraction microscopy is an imaging technique that uses the difference between two images obtained with different point spread functions (PSFs) to improve image contrast. In traditional ...

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